//----------------------------------------------------------------------------- // Copyright (c) 2016, 2017 Oracle and/or its affiliates. All rights reserved. // This program is free software: you can modify it and/or redistribute it // under the terms of: // // (i) the Universal Permissive License v 1.0 or at your option, any // later version (http://oss.oracle.com/licenses/upl); and/or // // (ii) the Apache License v 2.0. (http://www.apache.org/licenses/LICENSE-2.0) //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- // dpi.h // Master include file for ODPI-C library. //----------------------------------------------------------------------------- #ifndef DPI_PUBLIC #define DPI_PUBLIC // define standard integer types for older versions of Microsoft Visual Studio #ifdef _MSC_VER #if _MSC_VER < 1600 #define int8_t signed __int8 #define int16_t signed __int16 #define int32_t signed __int32 #define int64_t signed __int64 #define uint8_t unsigned __int8 #define uint16_t unsigned __int16 #define uint32_t unsigned __int32 #define uint64_t unsigned __int64 #endif #endif #ifndef int8_t #include #endif // define __func__ for older versions of Microsoft Visual Studio #ifdef _MSC_VER #if _MSC_VER < 1900 #define __func__ __FUNCTION__ #endif #endif // define ODPI-C version information #define DPI_MAJOR_VERSION 2 #define DPI_MINOR_VERSION 0 #define DPI_PATCH_LEVEL 0 #define DPI_VERSION_SUFFIX "-beta.3" #define DPI_STR_HELPER(x) #x #define DPI_STR(x) DPI_STR_HELPER(x) #define DPI_VERSION_STRING \ DPI_STR(DPI_MAJOR_VERSION) "." \ DPI_STR(DPI_MINOR_VERSION) "." \ DPI_STR(DPI_PATCH_LEVEL) \ DPI_VERSION_SUFFIX #define DPI_DEFAULT_DRIVER_NAME "ODPI-C : " DPI_VERSION_STRING #define DPI_VERSION_TO_NUMBER(major, minor, patch) \ ((major * 10000) + (minor * 100) + patch) #define DPI_VERSION_NUMBER \ DPI_VERSION_TO_NUMBER(DPI_MAJOR_VERSION, DPI_MINOR_VERSION, \ DPI_PATCH_LEVEL) #define DPI_ORACLE_VERSION_TO_NUMBER(versionNum, releaseNum, updateNum, \ portReleaseNum, portUpdateNum) \ ((versionNum * 100000000) + (releaseNum * 1000000) + \ (updateNum * 10000) + (portReleaseNum * 100) + (portUpdateNum)) // define default array size to use #define DPI_DEFAULT_FETCH_ARRAY_SIZE 100 // define ping interval (in seconds) used when getting connections #define DPI_DEFAULT_PING_INTERVAL 60 // define ping timeout (in milliseconds) used when getting connections #define DPI_DEFAULT_PING_TIMEOUT 5000 // define constants for dequeue wait (AQ) #define DPI_DEQ_WAIT_NO_WAIT 0 #define DPI_DEQ_WAIT_FOREVER ((uint32_t) -1) // define maximum precision that can be supported by an int64_t value #define DPI_MAX_INT64_PRECISION 18 // define constants for success and failure of methods #define DPI_SUCCESS 0 #define DPI_FAILURE -1 //----------------------------------------------------------------------------- // Enumerations //----------------------------------------------------------------------------- // connection/pool authorization modes typedef enum { DPI_MODE_AUTH_DEFAULT = 0x00000000, // OCI_DEFAULT DPI_MODE_AUTH_SYSDBA = 0x00000002, // OCI_SYSDBA DPI_MODE_AUTH_SYSOPER = 0x00000004, // OCI_SYSOPER DPI_MODE_AUTH_PRELIM = 0x00000008, // OCI_PRELIM_AUTH DPI_MODE_AUTH_SYSASM = 0x00008000 // OCI_SYSASM } dpiAuthMode; // connection close modes typedef enum { DPI_MODE_CONN_CLOSE_DEFAULT = 0x0000, // OCI_DEFAULT DPI_MODE_CONN_CLOSE_DROP = 0x0001, // OCI_SESSRLS_DROPSESS DPI_MODE_CONN_CLOSE_RETAG = 0x0002 // OCI_SESSRLS_RETAG } dpiConnCloseMode; // connection/pool creation modes typedef enum { DPI_MODE_CREATE_DEFAULT = 0x00000000, // OCI_DEFAULT DPI_MODE_CREATE_THREADED = 0x00000001, // OCI_THREADED DPI_MODE_CREATE_EVENTS = 0x00000004 // OCI_EVENTS } dpiCreateMode; // dequeue modes for advanced queuing typedef enum { DPI_MODE_DEQ_BROWSE = 1, // OCI_DEQ_BROWSE DPI_MODE_DEQ_LOCKED = 2, // OCI_DEQ_LOCKED DPI_MODE_DEQ_REMOVE = 3, // OCI_DEQ_REMOVE DPI_MODE_DEQ_REMOVE_NO_DATA = 4 // OCI_DEQ_REMOVE_NODATA } dpiDeqMode; // dequeue navigation flags for advanced queuing typedef enum { DPI_DEQ_NAV_FIRST_MSG = 1, // OCI_DEQ_FIRST_MSG DPI_DEQ_NAV_NEXT_TRANSACTION = 2, // OCI_DEQ_NEXT_TRANSACTION DPI_DEQ_NAV_NEXT_MSG = 3 // OCI_DEQ_NEXT_MSG } dpiDeqNavigation; // event types typedef enum { DPI_EVENT_NONE = 0, // OCI_EVENT_NONE DPI_EVENT_STARTUP = 1, // OCI_EVENT_STARTUP DPI_EVENT_SHUTDOWN = 2, // OCI_EVENT_SHUTDOWN DPI_EVENT_SHUTDOWN_ANY = 3, // OCI_EVENT_SHUTDOWN_ANY DPI_EVENT_DROP_DB = 4, // OCI_EVENT_DROP_DB DPI_EVENT_DEREG = 5, // OCI_EVENT_DEREG DPI_EVENT_OBJCHANGE = 6, // OCI_EVENT_OBJCHANGE DPI_EVENT_QUERYCHANGE = 7 // OCI_EVENT_QUERYCHANGE } dpiEventType; // statement execution modes typedef enum { DPI_MODE_EXEC_DEFAULT = 0x00000000, // OCI_DEFAULT DPI_MODE_EXEC_DESCRIBE_ONLY = 0x00000010, // OCI_DESCRIBE_ONLY DPI_MODE_EXEC_COMMIT_ON_SUCCESS = 0x00000020, // OCI_COMMIT_ON_SUCCESS DPI_MODE_EXEC_BATCH_ERRORS = 0x00000080, // OCI_BATCH_ERRORS DPI_MODE_EXEC_PARSE_ONLY = 0x00000100, // OCI_PARSE_ONLY DPI_MODE_EXEC_ARRAY_DML_ROWCOUNTS = 0x00100000 // OCI_RETURN_ROW_COUNT_ARRAY } dpiExecMode; // statement fetch modes typedef enum { DPI_MODE_FETCH_NEXT = 0x00000002, // OCI_FETCH_NEXT DPI_MODE_FETCH_FIRST = 0x00000004, // OCI_FETCH_FIRST DPI_MODE_FETCH_LAST = 0x00000008, // OCI_FETCH_LAST DPI_MODE_FETCH_PRIOR = 0x00000010, // OCI_FETCH_PRIOR DPI_MODE_FETCH_ABSOLUTE = 0x00000020, // OCI_FETCH_ABSOLUTE DPI_MODE_FETCH_RELATIVE = 0x00000040 // OCI_FETCH_RELATIVE } dpiFetchMode; // message delivery modes in advanced queuing typedef enum { DPI_MODE_MSG_PERSISTENT = 1, // OCI_MSG_PERSISTENT DPI_MODE_MSG_BUFFERED = 2, // OCI_MSG_BUFFERED DPI_MODE_MSG_PERSISTENT_OR_BUFFERED = 3 // OCI_MSG_PERSISTENT_OR_BUFFERED } dpiMessageDeliveryMode; // message states in advanced queuing typedef enum { DPI_MSG_STATE_READY = 0, // OCI_MSG_READY DPI_MSG_STATE_WAITING = 1, // OCI_MSG_WAITING DPI_MSG_STATE_PROCESSED = 2, // OCI_MSG_PROCESSED DPI_MSG_STATE_EXPIRED = 3 // OCI_MSG_EXPIRED } dpiMessageState; // native C types typedef enum { DPI_NATIVE_TYPE_INT64 = 3000, DPI_NATIVE_TYPE_UINT64, DPI_NATIVE_TYPE_FLOAT, DPI_NATIVE_TYPE_DOUBLE, DPI_NATIVE_TYPE_BYTES, DPI_NATIVE_TYPE_TIMESTAMP, DPI_NATIVE_TYPE_INTERVAL_DS, DPI_NATIVE_TYPE_INTERVAL_YM, DPI_NATIVE_TYPE_LOB, DPI_NATIVE_TYPE_OBJECT, DPI_NATIVE_TYPE_STMT, DPI_NATIVE_TYPE_BOOLEAN, DPI_NATIVE_TYPE_ROWID } dpiNativeTypeNum; // operation codes (database change and continuous query notification) typedef enum { DPI_OPCODE_ALL_OPS = 0x0, // OCI_OPCODE_ALLOPS DPI_OPCODE_ALL_ROWS = 0x1, // OCI_OPCODE_ALLROWS DPI_OPCODE_INSERT = 0x2, // OCI_OPCODE_INSERT DPI_OPCODE_UPDATE = 0x4, // OCI_OPCODE_UPDATE DPI_OPCODE_DELETE = 0x8, // OCI_OPCODE_DELETE DPI_OPCODE_ALTER = 0x10, // OCI_OPCODE_ALTER DPI_OPCODE_DROP = 0x20, // OCI_OPCODE_DROP DPI_OPCODE_UNKNOWN = 0x40 // OCI_OPCODE_UNKNOWN } dpiOpCode; // Oracle types typedef enum { DPI_ORACLE_TYPE_NONE = 2000, DPI_ORACLE_TYPE_VARCHAR, DPI_ORACLE_TYPE_NVARCHAR, DPI_ORACLE_TYPE_CHAR, DPI_ORACLE_TYPE_NCHAR, DPI_ORACLE_TYPE_ROWID, DPI_ORACLE_TYPE_RAW, DPI_ORACLE_TYPE_NATIVE_FLOAT, DPI_ORACLE_TYPE_NATIVE_DOUBLE, DPI_ORACLE_TYPE_NATIVE_INT, DPI_ORACLE_TYPE_NUMBER, DPI_ORACLE_TYPE_DATE, DPI_ORACLE_TYPE_TIMESTAMP, DPI_ORACLE_TYPE_TIMESTAMP_TZ, DPI_ORACLE_TYPE_TIMESTAMP_LTZ, DPI_ORACLE_TYPE_INTERVAL_DS, DPI_ORACLE_TYPE_INTERVAL_YM, DPI_ORACLE_TYPE_CLOB, DPI_ORACLE_TYPE_NCLOB, DPI_ORACLE_TYPE_BLOB, DPI_ORACLE_TYPE_BFILE, DPI_ORACLE_TYPE_STMT, DPI_ORACLE_TYPE_BOOLEAN, DPI_ORACLE_TYPE_OBJECT, DPI_ORACLE_TYPE_LONG_VARCHAR, DPI_ORACLE_TYPE_LONG_RAW, DPI_ORACLE_TYPE_NATIVE_UINT, DPI_ORACLE_TYPE_MAX } dpiOracleTypeNum; // session pool close modes typedef enum { DPI_MODE_POOL_CLOSE_DEFAULT = 0x0000, // OCI_DEFAULT DPI_MODE_POOL_CLOSE_FORCE = 0x0001 // OCI_SPD_FORCE } dpiPoolCloseMode; // modes used when acquiring a connection from a session pool typedef enum { DPI_MODE_POOL_GET_WAIT = 0, // OCI_SPOOL_ATTRVAL_WAIT DPI_MODE_POOL_GET_NOWAIT = 1, // OCI_SPOOL_ATTRVAL_NOWAIT DPI_MODE_POOL_GET_FORCEGET = 2 // OCI_SPOOL_ATTRVAL_FORCEGET } dpiPoolGetMode; // purity values when acquiring a connection from a pool typedef enum { DPI_PURITY_DEFAULT = 0, // OCI_ATTR_PURITY_DEFAULT DPI_PURITY_NEW = 1, // OCI_ATTR_PURITY_NEW DPI_PURITY_SELF = 2 // OCI_ATTR_PURITY_SELF } dpiPurity; // database shutdown modes typedef enum { DPI_MODE_SHUTDOWN_DEFAULT = 0, // OCI_DEFAULT DPI_MODE_SHUTDOWN_TRANSACTIONAL = 1, // OCI_DBSHUTDOWN_TRANSACTIONAL DPI_MODE_SHUTDOWN_TRANSACTIONAL_LOCAL = 2, // OCI_DBSHUTDOWN_TRANSACTIONAL_LOCAL DPI_MODE_SHUTDOWN_IMMEDIATE = 3, // OCI_DBSHUTDOWN_IMMEDIATE DPI_MODE_SHUTDOWN_ABORT = 4, // OCI_DBSHUTDOWN_ABORT DPI_MODE_SHUTDOWN_FINAL = 5 // OCI_DBSHUTDOWN_FINAL } dpiShutdownMode; // database startup modes typedef enum { DPI_MODE_STARTUP_DEFAULT = 0, // OCI_DEFAULT DPI_MODE_STARTUP_FORCE = 1, // OCI_DBSTARTUPFLAG_FORCE DPI_MODE_STARTUP_RESTRICT = 2 // OCI_DBSTARTUPFLAG_RESTRICT } dpiStartupMode; // statement types typedef enum { DPI_STMT_TYPE_SELECT = 1, // OCI_STMT_SELECT DPI_STMT_TYPE_UPDATE = 2, // OCI_STMT_UPDATE DPI_STMT_TYPE_DELETE = 3, // OCI_STMT_DELETE DPI_STMT_TYPE_INSERT = 4, // OCI_STMT_INSERT DPI_STMT_TYPE_CREATE = 5, // OCI_STMT_CREATE DPI_STMT_TYPE_DROP = 6, // OCI_STMT_DROP DPI_STMT_TYPE_ALTER = 7, // OCI_STMT_ALTER DPI_STMT_TYPE_BEGIN = 8, // OCI_STMT_BEGIN DPI_STMT_TYPE_DECLARE = 9, // OCI_STMT_DECLARE DPI_STMT_TYPE_CALL = 10 // OCI_STMT_CALL } dpiStatementType; // subscription namespaces typedef enum { DPI_SUBSCR_NAMESPACE_DBCHANGE = 2 // OCI_SUBSCR_NAMESPACE_DBCHANGE } dpiSubscrNamespace; // subscription protocols typedef enum { DPI_SUBSCR_PROTO_CALLBACK = 0, // OCI_SUBSCR_PROTO_OCI DPI_SUBSCR_PROTO_MAIL = 1, // OCI_SUBSCR_PROTO_MAIL DPI_SUBSCR_PROTO_PLSQL = 2, // OCI_SUBSCR_PROTO_SERVER DPI_SUBSCR_PROTO_HTTP = 3 // OCI_SUBSCR_PROTO_HTTP } dpiSubscrProtocol; // subscription quality of service typedef enum { DPI_SUBSCR_QOS_RELIABLE = 0x01, DPI_SUBSCR_QOS_DEREG_NFY = 0x02, DPI_SUBSCR_QOS_ROWIDS = 0x04, DPI_SUBSCR_QOS_QUERY = 0x08, DPI_SUBSCR_QOS_BEST_EFFORT = 0x10 } dpiSubscrQOS; // visibility of messages in advanced queuing typedef enum { DPI_VISIBILITY_IMMEDIATE = 1, // OCI_DEQ_IMMEDIATE DPI_VISIBILITY_ON_COMMIT = 2 // OCI_DEQ_ON_COMMIT } dpiVisibility; //----------------------------------------------------------------------------- // Handle Types //----------------------------------------------------------------------------- typedef struct dpiConn dpiConn; typedef struct dpiPool dpiPool; typedef struct dpiStmt dpiStmt; typedef struct dpiVar dpiVar; typedef struct dpiLob dpiLob; typedef struct dpiObject dpiObject; typedef struct dpiObjectAttr dpiObjectAttr; typedef struct dpiObjectType dpiObjectType; typedef struct dpiRowid dpiRowid; typedef struct dpiSubscr dpiSubscr; typedef struct dpiDeqOptions dpiDeqOptions; typedef struct dpiEnqOptions dpiEnqOptions; typedef struct dpiMsgProps dpiMsgProps; //----------------------------------------------------------------------------- // Complex Native Data Types (used for transferring data to/from ODPI-C) //----------------------------------------------------------------------------- // structure used for transferring byte strings to/from ODPI-C typedef struct { char *ptr; uint32_t length; const char *encoding; } dpiBytes; // structure used for transferring day/seconds intervals to/from ODPI-C typedef struct { int32_t days; int32_t hours; int32_t minutes; int32_t seconds; int32_t fseconds; } dpiIntervalDS; // structure used for transferring years/months intervals to/from ODPI-C typedef struct { int32_t years; int32_t months; } dpiIntervalYM; // structure used for transferring dates to/from ODPI-C typedef struct { int16_t year; uint8_t month; uint8_t day; uint8_t hour; uint8_t minute; uint8_t second; uint32_t fsecond; int8_t tzHourOffset; int8_t tzMinuteOffset; } dpiTimestamp; //----------------------------------------------------------------------------- // Other Types //----------------------------------------------------------------------------- // forward declarations typedef struct dpiAppContext dpiAppContext; typedef struct dpiCommonCreateParams dpiCommonCreateParams; typedef struct dpiConnCreateParams dpiConnCreateParams; typedef struct dpiContext dpiContext; typedef struct dpiData dpiData; typedef struct dpiEncodingInfo dpiEncodingInfo; typedef struct dpiErrorInfo dpiErrorInfo; typedef struct dpiObjectAttrInfo dpiObjectAttrInfo; typedef struct dpiObjectTypeInfo dpiObjectTypeInfo; typedef struct dpiPoolCreateParams dpiPoolCreateParams; typedef struct dpiQueryInfo dpiQueryInfo; typedef struct dpiStmtInfo dpiStmtInfo; typedef struct dpiSubscrCreateParams dpiSubscrCreateParams; typedef struct dpiSubscrMessage dpiSubscrMessage; typedef struct dpiSubscrMessageQuery dpiSubscrMessageQuery; typedef struct dpiSubscrMessageRow dpiSubscrMessageRow; typedef struct dpiSubscrMessageTable dpiSubscrMessageTable; typedef struct dpiVersionInfo dpiVersionInfo; // structure used for application context struct dpiAppContext { const char *namespaceName; uint32_t namespaceNameLength; const char *name; uint32_t nameLength; const char *value; uint32_t valueLength; }; // structure used for common parameters used for creating standalone // connections and session pools struct dpiCommonCreateParams { dpiCreateMode createMode; const char *encoding; const char *nencoding; const char *edition; uint32_t editionLength; const char *driverName; uint32_t driverNameLength; }; // structure used for creating connections struct dpiConnCreateParams { dpiAuthMode authMode; const char *connectionClass; uint32_t connectionClassLength; dpiPurity purity; const char *newPassword; uint32_t newPasswordLength; dpiAppContext *appContext; uint32_t numAppContext; int externalAuth; void *externalHandle; dpiPool *pool; const char *tag; uint32_t tagLength; int matchAnyTag; const char *outTag; uint32_t outTagLength; int outTagFound; }; // structure used for transferring data to/from ODPI-C struct dpiData { int isNull; union { int asBoolean; int64_t asInt64; uint64_t asUint64; float asFloat; double asDouble; dpiBytes asBytes; dpiTimestamp asTimestamp; dpiIntervalDS asIntervalDS; dpiIntervalYM asIntervalYM; dpiLob *asLOB; dpiObject *asObject; dpiStmt *asStmt; dpiRowid *asRowid; } value; }; // structure used for transferring encoding information from ODPI-C struct dpiEncodingInfo { const char *encoding; int32_t maxBytesPerCharacter; const char *nencoding; int32_t nmaxBytesPerCharacter; }; // structure used for transferring error information from ODPI-C struct dpiErrorInfo { int32_t code; uint16_t offset; const char *message; uint32_t messageLength; const char *encoding; const char *fnName; const char *action; const char *sqlState; int isRecoverable; }; // structure used for transferring object attribute information from ODPI-C struct dpiObjectAttrInfo { const char *name; uint32_t nameLength; dpiOracleTypeNum oracleTypeNum; dpiNativeTypeNum defaultNativeTypeNum; dpiObjectType *objectType; }; // structure used for transferring object type information from ODPI-C struct dpiObjectTypeInfo { const char *schema; uint32_t schemaLength; const char *name; uint32_t nameLength; int isCollection; dpiOracleTypeNum elementOracleTypeNum; dpiNativeTypeNum elementDefaultNativeTypeNum; dpiObjectType *elementObjectType; uint16_t numAttributes; }; // structure used for creating pools struct dpiPoolCreateParams { uint32_t minSessions; uint32_t maxSessions; uint32_t sessionIncrement; int pingInterval; int pingTimeout; int homogeneous; int externalAuth; dpiPoolGetMode getMode; const char *outPoolName; uint32_t outPoolNameLength; }; // structure used for transferring query metadata from ODPI-C struct dpiQueryInfo { const char *name; uint32_t nameLength; dpiOracleTypeNum oracleTypeNum; dpiNativeTypeNum defaultNativeTypeNum; uint32_t dbSizeInBytes; uint32_t clientSizeInBytes; uint32_t sizeInChars; int16_t precision; int8_t scale; int nullOk; dpiObjectType *objectType; }; // structure used for transferring statement information from ODPI-C struct dpiStmtInfo { int isQuery; int isPLSQL; int isDDL; int isDML; dpiStatementType statementType; int isReturning; }; // callback for subscriptions typedef void (*dpiSubscrCallback)(void* context, dpiSubscrMessage *message); // structure used for creating subscriptions struct dpiSubscrCreateParams { dpiSubscrNamespace subscrNamespace; dpiSubscrProtocol protocol; dpiSubscrQOS qos; dpiOpCode operations; uint32_t portNumber; uint32_t timeout; const char *name; uint32_t nameLength; dpiSubscrCallback callback; void *callbackContext; const char *recipientName; uint32_t recipientNameLength; }; // structure used for transferring messages in subscription callbacks struct dpiSubscrMessage { dpiEventType eventType; const char *dbName; uint32_t dbNameLength; dpiSubscrMessageTable *tables; uint32_t numTables; dpiSubscrMessageQuery *queries; uint32_t numQueries; dpiErrorInfo *errorInfo; }; // structure used for transferring query information in messages in // subscription callbacks (continuous query notification) struct dpiSubscrMessageQuery { uint64_t id; dpiOpCode operation; dpiSubscrMessageTable *tables; uint32_t numTables; }; // structure used for transferring row information in messages in // subscription callbacks struct dpiSubscrMessageRow { dpiOpCode operation; const char *rowid; uint32_t rowidLength; }; // structure used for transferring table information in messages in // subscription callbacks struct dpiSubscrMessageTable { dpiOpCode operation; const char *name; uint32_t nameLength; dpiSubscrMessageRow *rows; uint32_t numRows; }; // structure used for transferring version information struct dpiVersionInfo { int versionNum; int releaseNum; int updateNum; int portReleaseNum; int portUpdateNum; uint32_t fullVersionNum; }; //----------------------------------------------------------------------------- // Context Methods (dpiContext) //----------------------------------------------------------------------------- // create a context handle and validate the version information int dpiContext_create(unsigned int majorVersion, unsigned int minorVersion, dpiContext **context, dpiErrorInfo *errorInfo); // destroy context handle int dpiContext_destroy(dpiContext *context); // return the OCI client version in use int dpiContext_getClientVersion(const dpiContext *context, dpiVersionInfo *versionInfo); // get error information void dpiContext_getError(const dpiContext *context, dpiErrorInfo *errorInfo); // initialize context parameters to default values int dpiContext_initCommonCreateParams(const dpiContext *context, dpiCommonCreateParams *params); // initialize connection create parameters to default values int dpiContext_initConnCreateParams(const dpiContext *context, dpiConnCreateParams *params); // initialize pool create parameters to default values int dpiContext_initPoolCreateParams(const dpiContext *context, dpiPoolCreateParams *params); // initialize subscription create parameters to default values int dpiContext_initSubscrCreateParams(const dpiContext *context, dpiSubscrCreateParams *params); //----------------------------------------------------------------------------- // Connection Methods (dpiConn) //----------------------------------------------------------------------------- // add a reference to a connection int dpiConn_addRef(dpiConn *conn); // begin a distributed transaction int dpiConn_beginDistribTrans(dpiConn *conn, long formatId, const char *transactionId, uint32_t transactionIdLength, const char *branchId, uint32_t branchIdLength); // break execution of the statement running on the connection int dpiConn_breakExecution(dpiConn *conn); // change the password for the specified user int dpiConn_changePassword(dpiConn *conn, const char *userName, uint32_t userNameLength, const char *oldPassword, uint32_t oldPasswordLength, const char *newPassword, uint32_t newPasswordLength); // close the connection now, not when the reference count reaches zero int dpiConn_close(dpiConn *conn, dpiConnCloseMode mode, const char *tag, uint32_t tagLength); // commits the current active transaction int dpiConn_commit(dpiConn *conn); // create a connection and return a reference to it int dpiConn_create(const dpiContext *context, const char *userName, uint32_t userNameLength, const char *password, uint32_t passwordLength, const char *connectString, uint32_t connectStringLength, const dpiCommonCreateParams *commonParams, dpiConnCreateParams *createParams, dpiConn **conn); // dequeue a message from a queue int dpiConn_deqObject(dpiConn *conn, const char *queueName, uint32_t queueNameLength, dpiDeqOptions *options, dpiMsgProps *props, dpiObject *payload, const char **msgId, uint32_t *msgIdLength); // enqueue a message to a queue int dpiConn_enqObject(dpiConn *conn, const char *queueName, uint32_t queueNameLength, dpiEnqOptions *options, dpiMsgProps *props, dpiObject *payload, const char **msgId, uint32_t *msgIdLength); // get current schema associated with the connection int dpiConn_getCurrentSchema(dpiConn *conn, const char **value, uint32_t *valueLength); // get edition associated with the connection int dpiConn_getEdition(dpiConn *conn, const char **value, uint32_t *valueLength); // return the encoding information used by the connection int dpiConn_getEncodingInfo(dpiConn *conn, dpiEncodingInfo *info); // get external name associated with the connection int dpiConn_getExternalName(dpiConn *conn, const char **value, uint32_t *valueLength); // get the OCI service context handle associated with the connection int dpiConn_getHandle(dpiConn *conn, void **handle); // get internal name associated with the connection int dpiConn_getInternalName(dpiConn *conn, const char **value, uint32_t *valueLength); // get logical transaction id associated with the connection int dpiConn_getLTXID(dpiConn *conn, const char **value, uint32_t *valueLength); // create a new object type and return it for subsequent object creation int dpiConn_getObjectType(dpiConn *conn, const char *name, uint32_t nameLength, dpiObjectType **objType); // return information about the server version in use int dpiConn_getServerVersion(dpiConn *conn, const char **releaseString, uint32_t *releaseStringLength, dpiVersionInfo *versionInfo); // return the statement cache size int dpiConn_getStmtCacheSize(dpiConn *conn, uint32_t *cacheSize); // create a new dequeue options object and return it int dpiConn_newDeqOptions(dpiConn *conn, dpiDeqOptions **options); // create a new enqueue options object and return it int dpiConn_newEnqOptions(dpiConn *conn, dpiEnqOptions **options); // create a new message properties object and return it int dpiConn_newMsgProps(dpiConn *conn, dpiMsgProps **props); // create a new subscription for events int dpiConn_newSubscription(dpiConn *conn, dpiSubscrCreateParams *params, dpiSubscr **subscr, uint32_t *subscrId); // create a new temporary LOB int dpiConn_newTempLob(dpiConn *conn, dpiOracleTypeNum lobType, dpiLob **lob); // create a new variable and return it for subsequent binding/defining int dpiConn_newVar(dpiConn *conn, dpiOracleTypeNum oracleTypeNum, dpiNativeTypeNum nativeTypeNum, uint32_t maxArraySize, uint32_t size, int sizeIsBytes, int isArray, dpiObjectType *objType, dpiVar **var, dpiData **data); // ping the connection to see if it is still alive int dpiConn_ping(dpiConn *conn); // prepare a distributed transaction for commit int dpiConn_prepareDistribTrans(dpiConn *conn, int *commitNeeded); // prepare a statement and return it for subsequent execution/fetching int dpiConn_prepareStmt(dpiConn *conn, int scrollable, const char *sql, uint32_t sqlLength, const char *tag, uint32_t tagLength, dpiStmt **stmt); // release a reference to the connection int dpiConn_release(dpiConn *conn); // rolls back the current active transaction int dpiConn_rollback(dpiConn *conn); // set action associated with the connection int dpiConn_setAction(dpiConn *conn, const char *value, uint32_t valueLength); // set client identifier associated with the connection int dpiConn_setClientIdentifier(dpiConn *conn, const char *value, uint32_t valueLength); // set client info associated with the connection int dpiConn_setClientInfo(dpiConn *conn, const char *value, uint32_t valueLength); // set current schema associated with the connection int dpiConn_setCurrentSchema(dpiConn *conn, const char *value, uint32_t valueLength); // set database operation associated with the connection int dpiConn_setDbOp(dpiConn *conn, const char *value, uint32_t valueLength); // set external name associated with the connection int dpiConn_setExternalName(dpiConn *conn, const char *value, uint32_t valueLength); // set internal name associated with the connection int dpiConn_setInternalName(dpiConn *conn, const char *value, uint32_t valueLength); // set module associated with the connection int dpiConn_setModule(dpiConn *conn, const char *value, uint32_t valueLength); // set the statement cache size int dpiConn_setStmtCacheSize(dpiConn *conn, uint32_t cacheSize); // shutdown the database int dpiConn_shutdownDatabase(dpiConn *conn, dpiShutdownMode mode); // startup the database int dpiConn_startupDatabase(dpiConn *conn, dpiStartupMode mode); //----------------------------------------------------------------------------- // Data Methods (dpiData) //----------------------------------------------------------------------------- // return the boolean portion of the data int dpiData_getBool(dpiData *data); // return the bytes portion of the data dpiBytes *dpiData_getBytes(dpiData *data); // return the double portion of the data double dpiData_getDouble(dpiData *data); // return the float portion of the data float dpiData_getFloat(dpiData *data); // return the integer portion of the data int64_t dpiData_getInt64(dpiData *data); // return the interval (days/seconds) portion of the data dpiIntervalDS *dpiData_getIntervalDS(dpiData *data); // return the interval (years/months) portion of the data dpiIntervalYM *dpiData_getIntervalYM(dpiData *data); // return the LOB portion of the data dpiLob *dpiData_getLOB(dpiData *data); // return the object portion of the data dpiObject *dpiData_getObject(dpiData *data); // return the statement portion of the data dpiStmt *dpiData_getStmt(dpiData *data); // return the timestamp portion of the data dpiTimestamp *dpiData_getTimestamp(dpiData *data); // return the unsigned integer portion of the data uint64_t dpiData_getUint64(dpiData *data); // set the boolean portion of the data void dpiData_setBool(dpiData *data, int value); // set the bytes portion of the data void dpiData_setBytes(dpiData *data, char *ptr, uint32_t length); // set the double portion of the data void dpiData_setDouble(dpiData *data, double value); // set the float portion of the data void dpiData_setFloat(dpiData *data, float value); // set the integer portion of the data void dpiData_setInt64(dpiData *data, int64_t value); // set the interval (days/seconds) portion of the data void dpiData_setIntervalDS(dpiData *data, int32_t days, int32_t hours, int32_t minutes, int32_t seconds, int32_t fsceconds); // set the interval (years/months) portion of the data void dpiData_setIntervalYM(dpiData *data, int32_t years, int32_t months); // set the LOB portion of the data void dpiData_setLOB(dpiData *data, dpiLob *lob); // set the object portion of the data void dpiData_setObject(dpiData *data, dpiObject *obj); // set the statement portion of the data void dpiData_setStmt(dpiData *data, dpiStmt *stmt); // set the timestamp portion of the data void dpiData_setTimestamp(dpiData *data, int16_t year, uint8_t month, uint8_t day, uint8_t hour, uint8_t minute, uint8_t second, uint32_t fsecond, int8_t tzHourOffset, int8_t tzMinuteOffset); // set the unsigned integer portion of the data void dpiData_setUint64(dpiData *data, uint64_t value); //----------------------------------------------------------------------------- // Dequeue Option Methods (dpiDeqOptions) //----------------------------------------------------------------------------- // add a reference to dequeue options int dpiDeqOptions_addRef(dpiDeqOptions *options); // return condition associated with dequeue options int dpiDeqOptions_getCondition(dpiDeqOptions *options, const char **value, uint32_t *valueLength); // return consumer name associated with dequeue options int dpiDeqOptions_getConsumerName(dpiDeqOptions *options, const char **value, uint32_t *valueLength); // return correlation associated with dequeue options int dpiDeqOptions_getCorrelation(dpiDeqOptions *options, const char **value, uint32_t *valueLength); // return mode associated with dequeue options int dpiDeqOptions_getMode(dpiDeqOptions *options, dpiDeqMode *value); // return message id associated with dequeue options int dpiDeqOptions_getMsgId(dpiDeqOptions *options, const char **value, uint32_t *valueLength); // return navigation associated with dequeue options int dpiDeqOptions_getNavigation(dpiDeqOptions *options, dpiDeqNavigation *value); // return transformation associated with dequeue options int dpiDeqOptions_getTransformation(dpiDeqOptions *options, const char **value, uint32_t *valueLength); // return visibility associated with dequeue options int dpiDeqOptions_getVisibility(dpiDeqOptions *options, dpiVisibility *value); // return wait time associated with dequeue options int dpiDeqOptions_getWait(dpiDeqOptions *options, uint32_t *value); // release a reference from dequeue options int dpiDeqOptions_release(dpiDeqOptions *options); // set condition associated with dequeue options int dpiDeqOptions_setCondition(dpiDeqOptions *options, const char *value, uint32_t valueLength); // set consumer name associated with dequeue options int dpiDeqOptions_setConsumerName(dpiDeqOptions *options, const char *value, uint32_t valueLength); // set correlation associated with dequeue options int dpiDeqOptions_setCorrelation(dpiDeqOptions *options, const char *value, uint32_t valueLength); // set delivery mode associated with dequeue options int dpiDeqOptions_setDeliveryMode(dpiDeqOptions *options, dpiMessageDeliveryMode value); // set mode associated with dequeue options int dpiDeqOptions_setMode(dpiDeqOptions *options, dpiDeqMode value); // set message id associated with dequeue options int dpiDeqOptions_setMsgId(dpiDeqOptions *options, const char *value, uint32_t valueLength); // set navigation associated with dequeue options int dpiDeqOptions_setNavigation(dpiDeqOptions *options, dpiDeqNavigation value); // set transformation associated with dequeue options int dpiDeqOptions_setTransformation(dpiDeqOptions *options, const char *value, uint32_t valueLength); // set visibility associated with dequeue options int dpiDeqOptions_setVisibility(dpiDeqOptions *options, dpiVisibility value); // set wait time associated with dequeue options int dpiDeqOptions_setWait(dpiDeqOptions *options, uint32_t value); //----------------------------------------------------------------------------- // Enqueue Option Methods (dpiEnqOptions) //----------------------------------------------------------------------------- // add a reference to enqueue options int dpiEnqOptions_addRef(dpiEnqOptions *options); // return transformation associated with enqueue options int dpiEnqOptions_getTransformation(dpiEnqOptions *options, const char **value, uint32_t *valueLength); // return visibility associated with enqueue options int dpiEnqOptions_getVisibility(dpiEnqOptions *options, dpiVisibility *value); // release a reference from enqueue options int dpiEnqOptions_release(dpiEnqOptions *options); // set delivery mode associated with enqueue options int dpiEnqOptions_setDeliveryMode(dpiEnqOptions *options, dpiMessageDeliveryMode value); // set transformation associated with enqueue options int dpiEnqOptions_setTransformation(dpiEnqOptions *options, const char *value, uint32_t valueLength); // set visibility associated with enqueue options int dpiEnqOptions_setVisibility(dpiEnqOptions *options, dpiVisibility value); //----------------------------------------------------------------------------- // LOB Methods (dpiLob) //----------------------------------------------------------------------------- // add a reference to the LOB int dpiLob_addRef(dpiLob *lob); // close the LOB int dpiLob_close(dpiLob *lob); // close the LOB's resources int dpiLob_closeResource(dpiLob *lob); // create a copy of the LOB int dpiLob_copy(dpiLob *lob, dpiLob **copiedLob); // flush buffers for the LOB int dpiLob_flushBuffer(dpiLob *lob); int dpiLob_getBufferSize(dpiLob *lob, uint64_t sizeInChars, uint64_t *sizeInBytes); // return the chunk size for the LOB int dpiLob_getChunkSize(dpiLob *lob, uint32_t *size); // return the directory alias name and file name of a BFILE LOB int dpiLob_getDirectoryAndFileName(dpiLob *lob, const char **directoryAlias, uint32_t *directoryAliasLength, const char **fileName, uint32_t *fileNameLength); // return if the file associated with a BFILE LOB exists int dpiLob_getFileExists(dpiLob *lob, int *exists); // return if the LOB's resources are currently open int dpiLob_getIsResourceOpen(dpiLob *lob, int *isOpen); // return the current size of the LOB int dpiLob_getSize(dpiLob *lob, uint64_t *size); // open the LOB's resources (used to improve performance of multiple // read/writes operations) int dpiLob_openResource(dpiLob *lob); // read bytes from the LOB at the specified offset int dpiLob_readBytes(dpiLob *lob, uint64_t offset, uint64_t amount, char *value, uint64_t *valueLength); // release a reference to the LOB int dpiLob_release(dpiLob *lob); // set the directory name and file name of the BFILE LOB int dpiLob_setDirectoryAndFileName(dpiLob *lob, const char *directoryAlias, uint32_t directoryAliasLength, const char *fileName, uint32_t fileNameLength); // sets the contents of a LOB from a byte string int dpiLob_setFromBytes(dpiLob *lob, const char *value, uint64_t valueLength); // trim the LOB to the specified size int dpiLob_trim(dpiLob *lob, uint64_t newSize); // write bytes to the LOB at the specified offset int dpiLob_writeBytes(dpiLob *lob, uint64_t offset, const char *value, uint64_t valueLength); //----------------------------------------------------------------------------- // Message Properties Methods (dpiMsgProps) //----------------------------------------------------------------------------- // add a reference to message properties int dpiMsgProps_addRef(dpiMsgProps *props); // return the number of attempts made to deliver the message int dpiMsgProps_getNumAttempts(dpiMsgProps *props, int32_t *value); // return correlation associated with the message int dpiMsgProps_getCorrelation(dpiMsgProps *props, const char **value, uint32_t *valueLength); // return the number of seconds the message was delayed int dpiMsgProps_getDelay(dpiMsgProps *props, int32_t *value); // return the mode used for delivering the message int dpiMsgProps_getDeliveryMode(dpiMsgProps *props, dpiMessageDeliveryMode *value); // return the time the message was enqueued int dpiMsgProps_getEnqTime(dpiMsgProps *props, dpiTimestamp *value); // return the name of the exception queue associated with the message int dpiMsgProps_getExceptionQ(dpiMsgProps *props, const char **value, uint32_t *valueLength); // return the number of seconds until the message expires int dpiMsgProps_getExpiration(dpiMsgProps *props, int32_t *value); // return the original message id for the message int dpiMsgProps_getOriginalMsgId(dpiMsgProps *props, const char **value, uint32_t *valueLength); // return the priority of the message int dpiMsgProps_getPriority(dpiMsgProps *props, int32_t *value); // return the state of the message int dpiMsgProps_getState(dpiMsgProps *props, dpiMessageState *value); // release a reference from message properties int dpiMsgProps_release(dpiMsgProps *props); // set correlation associated with the message int dpiMsgProps_setCorrelation(dpiMsgProps *props, const char *value, uint32_t valueLength); // set the number of seconds to delay the message int dpiMsgProps_setDelay(dpiMsgProps *props, int32_t value); // set the name of the exception queue associated with the message int dpiMsgProps_setExceptionQ(dpiMsgProps *props, const char *value, uint32_t valueLength); // set the number of seconds until the message expires int dpiMsgProps_setExpiration(dpiMsgProps *props, int32_t value); // set the original message id for the message int dpiMsgProps_setOriginalMsgId(dpiMsgProps *props, const char *value, uint32_t valueLength); // set the priority of the message int dpiMsgProps_setPriority(dpiMsgProps *props, int32_t value); //----------------------------------------------------------------------------- // Object Methods (dpiObject) //----------------------------------------------------------------------------- // add a reference to the object int dpiObject_addRef(dpiObject *obj); // append an element to the collection int dpiObject_appendElement(dpiObject *obj, dpiNativeTypeNum nativeTypeNum, dpiData *value); // copy the object and return the copied object int dpiObject_copy(dpiObject *obj, dpiObject **copiedObj); // delete an element from the collection int dpiObject_deleteElementByIndex(dpiObject *obj, int32_t index); // get the value of the specified attribute int dpiObject_getAttributeValue(dpiObject *obj, dpiObjectAttr *attr, dpiNativeTypeNum nativeTypeNum, dpiData *value); // return whether an element exists in a collection at the specified index int dpiObject_getElementExistsByIndex(dpiObject *obj, int32_t index, int *exists); // get the value of the element in a collection at the specified index int dpiObject_getElementValueByIndex(dpiObject *obj, int32_t index, dpiNativeTypeNum nativeTypeNum, dpiData *value); // return the first index used in a collection int dpiObject_getFirstIndex(dpiObject *obj, int32_t *index, int *exists); // return the last index used in a collection int dpiObject_getLastIndex(dpiObject *obj, int32_t *index, int *exists); // return the next index used in a collection given an index int dpiObject_getNextIndex(dpiObject *obj, int32_t index, int32_t *nextIndex, int *exists); // return the previous index used in a collection given an index int dpiObject_getPrevIndex(dpiObject *obj, int32_t index, int32_t *prevIndex, int *exists); // return the number of elements in a collection int dpiObject_getSize(dpiObject *obj, int32_t *size); // release a reference to the object int dpiObject_release(dpiObject *obj); // set the value of the specified attribute int dpiObject_setAttributeValue(dpiObject *obj, dpiObjectAttr *attr, dpiNativeTypeNum nativeTypeNum, dpiData *value); // set the value of the element in a collection at the specified index int dpiObject_setElementValueByIndex(dpiObject *obj, int32_t index, dpiNativeTypeNum nativeTypeNum, dpiData *value); // trim a number of elements from the end of a collection int dpiObject_trim(dpiObject *obj, uint32_t numToTrim); //----------------------------------------------------------------------------- // Object Type Attribute Methods (dpiObjectAttr) //----------------------------------------------------------------------------- // add a reference to the attribute int dpiObjectAttr_addRef(dpiObjectAttr *attr); // return the name of the attribute int dpiObjectAttr_getInfo(dpiObjectAttr *attr, dpiObjectAttrInfo *info); // release a reference to the attribute int dpiObjectAttr_release(dpiObjectAttr *attr); //----------------------------------------------------------------------------- // Object Type Methods (dpiObjectType) //----------------------------------------------------------------------------- // add a reference to the object type int dpiObjectType_addRef(dpiObjectType *objType); // create an object of the specified type and return it int dpiObjectType_createObject(dpiObjectType *objType, dpiObject **obj); // return the attributes available on the object type int dpiObjectType_getAttributes(dpiObjectType *objType, uint16_t numAttributes, dpiObjectAttr **attributes); // return information about the object type int dpiObjectType_getInfo(dpiObjectType *objType, dpiObjectTypeInfo *info); // release a reference to the object type int dpiObjectType_release(dpiObjectType *objType); //----------------------------------------------------------------------------- // Session Pools Methods (dpiPool) //----------------------------------------------------------------------------- // acquire a connection from the pool and return it int dpiPool_acquireConnection(dpiPool *pool, const char *userName, uint32_t userNameLength, const char *password, uint32_t passwordLength, dpiConnCreateParams *createParams, dpiConn **conn); // add a reference to a pool int dpiPool_addRef(dpiPool *pool); // destroy the pool now, not when its reference count reaches zero int dpiPool_close(dpiPool *pool, dpiPoolCloseMode closeMode); // create a session pool and return it int dpiPool_create(const dpiContext *context, const char *userName, uint32_t userNameLength, const char *password, uint32_t passwordLength, const char *connectString, uint32_t connectStringLength, const dpiCommonCreateParams *commonParams, dpiPoolCreateParams *createParams, dpiPool **pool); // get the pool's busy count int dpiPool_getBusyCount(dpiPool *pool, uint32_t *value); // return the encoding information used by the session pool int dpiPool_getEncodingInfo(dpiPool *pool, dpiEncodingInfo *info); // get the pool's "get" mode int dpiPool_getGetMode(dpiPool *pool, dpiPoolGetMode *value); // get the pool's maximum lifetime session int dpiPool_getMaxLifetimeSession(dpiPool *pool, uint32_t *value); // get the pool's open count int dpiPool_getOpenCount(dpiPool *pool, uint32_t *value); // return the statement cache size int dpiPool_getStmtCacheSize(dpiPool *pool, uint32_t *cacheSize); // get the pool's timeout value int dpiPool_getTimeout(dpiPool *pool, uint32_t *value); // release a reference to the pool int dpiPool_release(dpiPool *pool); // set the pool's "get" mode int dpiPool_setGetMode(dpiPool *pool, dpiPoolGetMode value); // set the pool's maximum lifetime session int dpiPool_setMaxLifetimeSession(dpiPool *pool, uint32_t value); // set the statement cache size int dpiPool_setStmtCacheSize(dpiPool *pool, uint32_t cacheSize); // set the pool's timeout value int dpiPool_setTimeout(dpiPool *pool, uint32_t value); //----------------------------------------------------------------------------- // Statement Methods (dpiStmt) //----------------------------------------------------------------------------- // add a reference to a statement int dpiStmt_addRef(dpiStmt *stmt); // bind a variable to the statement using the given name int dpiStmt_bindByName(dpiStmt *stmt, const char *name, uint32_t nameLength, dpiVar *var); // bind a variable to the statement at the given position // positions are determined by the order in which names are introduced int dpiStmt_bindByPos(dpiStmt *stmt, uint32_t pos, dpiVar *var); // bind a value to the statement using the given name // this creates the variable by looking at the type and then binds it int dpiStmt_bindValueByName(dpiStmt *stmt, const char *name, uint32_t nameLength, dpiNativeTypeNum nativeTypeNum, dpiData *data); // bind a value to the statement at the given position // this creates the variable by looking at the type and then binds it int dpiStmt_bindValueByPos(dpiStmt *stmt, uint32_t pos, dpiNativeTypeNum nativeTypeNum, dpiData *data); // close the statement now, not when its reference count reaches zero int dpiStmt_close(dpiStmt *stmt, const char *tag, uint32_t tagLength); // define a variable to accept the data for the specified column (1 based) int dpiStmt_define(dpiStmt *stmt, uint32_t pos, dpiVar *var); // execute the statement and return the number of query columns // zero implies the statement is not a query int dpiStmt_execute(dpiStmt *stmt, dpiExecMode mode, uint32_t *numQueryColumns); // execute the statement multiple times (queries not supported) int dpiStmt_executeMany(dpiStmt *stmt, dpiExecMode mode, uint32_t numIters); // fetch a single row and return the index into the defined variables // this will internally perform any execute and array fetch as needed int dpiStmt_fetch(dpiStmt *stmt, int *found, uint32_t *bufferRowIndex); // return the number of rows that are available in the defined variables // up to the maximum specified; this will internally perform execute/array // fetch only if no rows are available in the defined variables and there are // more rows available to fetch int dpiStmt_fetchRows(dpiStmt *stmt, uint32_t maxRows, uint32_t *bufferRowIndex, uint32_t *numRowsFetched, int *moreRows); // get the number of batch errors that took place in the previous execution int dpiStmt_getBatchErrorCount(dpiStmt *stmt, uint32_t *count); // get the batch errors that took place in the previous execution int dpiStmt_getBatchErrors(dpiStmt *stmt, uint32_t numErrors, dpiErrorInfo *errors); // get the number of bind variables that are in the prepared statement int dpiStmt_getBindCount(dpiStmt *stmt, uint32_t *count); // get the names of the bind variables that are in the prepared statement int dpiStmt_getBindNames(dpiStmt *stmt, uint32_t numBindNames, const char **bindNames, uint32_t *bindNameLengths); // get the number of rows to (internally) fetch at one time int dpiStmt_getFetchArraySize(dpiStmt *stmt, uint32_t *arraySize); // get next implicit result from previous execution; NULL if no more exist int dpiStmt_getImplicitResult(dpiStmt *stmt, dpiStmt **implicitResult); // return information about the statement int dpiStmt_getInfo(dpiStmt *stmt, dpiStmtInfo *info); // get the number of query columns (zero implies the statement is not a query) int dpiStmt_getNumQueryColumns(dpiStmt *stmt, uint32_t *numQueryColumns); // return metadata about the column at the specified position (1 based) int dpiStmt_getQueryInfo(dpiStmt *stmt, uint32_t pos, dpiQueryInfo *info); // get the value for the specified column of the current row fetched int dpiStmt_getQueryValue(dpiStmt *stmt, uint32_t pos, dpiNativeTypeNum *nativeTypeNum, dpiData **data); // get the row count for the statement // for queries, this is the number of rows that have been fetched so far // for non-queries, this is the number of rows affected by the last execution int dpiStmt_getRowCount(dpiStmt *stmt, uint64_t *count); // get the number of rows affected for each DML operation just executed // using the mode DPI_MODE_EXEC_ARRAY_DML_ROWCOUNTS int dpiStmt_getRowCounts(dpiStmt *stmt, uint32_t *numRowCounts, uint64_t **rowCounts); // get subscription query id for continuous query notification int dpiStmt_getSubscrQueryId(dpiStmt *stmt, uint64_t *queryId); // release a reference to the statement int dpiStmt_release(dpiStmt *stmt); // scroll the statement to the desired row // this is only valid for scrollable statements int dpiStmt_scroll(dpiStmt *stmt, dpiFetchMode mode, int32_t offset, int32_t rowCountOffset); // set the number of rows to (internally) fetch at one time int dpiStmt_setFetchArraySize(dpiStmt *stmt, uint32_t arraySize); //----------------------------------------------------------------------------- // Rowid Methods (dpiRowid) //----------------------------------------------------------------------------- // add a reference to the rowid int dpiRowid_addRef(dpiRowid *rowid); // get string representation from rowid int dpiRowid_getStringValue(dpiRowid *rowid, const char **value, uint32_t *valueLength); // release a reference to the rowid int dpiRowid_release(dpiRowid *subscr); //----------------------------------------------------------------------------- // Subscription Methods (dpiSubscr) //----------------------------------------------------------------------------- // add a reference to the subscription int dpiSubscr_addRef(dpiSubscr *subscr); // close the subscription int dpiSubscr_close(dpiSubscr *subscr); // prepare statement for registration with subscription int dpiSubscr_prepareStmt(dpiSubscr *subscr, const char *sql, uint32_t sqlLength, dpiStmt **stmt); // release a reference to the subscription int dpiSubscr_release(dpiSubscr *subscr); //----------------------------------------------------------------------------- // Variable Methods (dpiVar) //----------------------------------------------------------------------------- // add a reference to the variable int dpiVar_addRef(dpiVar *var); // copy the data from one variable to another variable int dpiVar_copyData(dpiVar *var, uint32_t pos, dpiVar *sourceVar, uint32_t sourcePos); // return pointer to array of dpiData structures for transferring data // this is needed for DML returning where the number of elements is modified int dpiVar_getData(dpiVar *var, uint32_t *numElements, dpiData **data); // return the number of elements in a PL/SQL index-by table int dpiVar_getNumElementsInArray(dpiVar *var, uint32_t *numElements); // return the size in bytes of the buffer used for fetching/binding int dpiVar_getSizeInBytes(dpiVar *var, uint32_t *sizeInBytes); // release a reference to the variable int dpiVar_release(dpiVar *var); // set the value of the variable from a byte string int dpiVar_setFromBytes(dpiVar *var, uint32_t pos, const char *value, uint32_t valueLength); // set the value of the variable from a LOB int dpiVar_setFromLob(dpiVar *var, uint32_t pos, dpiLob *lob); // set the value of the variable from an object int dpiVar_setFromObject(dpiVar *var, uint32_t pos, dpiObject *obj); // set the value of the variable from a rowid int dpiVar_setFromRowid(dpiVar *var, uint32_t pos, dpiRowid *rowid); // set the value of the variable from a statement int dpiVar_setFromStmt(dpiVar *var, uint32_t pos, dpiStmt *stmt); // set the number of elements in a PL/SQL index-by table int dpiVar_setNumElementsInArray(dpiVar *var, uint32_t numElements); #endif