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caa710037e
Instead of requiring the type to be determined in advance by the describer function and then requiring get_col to return a buffer of appropriate type, allow get_col to return an arbitrary zval. See UPGRADING.INTERNALS for a more detailed description of the change. This makes the result fetching simpler, more efficient and more flexible. The general possibility already existed via the special PDO_PARAM_ZVAL type, but the usage was very inconvenient and/or inefficient. Now it's possible to easily implement behavior like "return int if it fits, otherwise string" and to avoid any kind of complex management of temporary buffers. This also fixes bug #40913 (our second highest voted bug of all time, for some reason). PARAM_LOB result bindings will now consistently return a stream resource, independently of the used database driver. I've tried my best to update all PDO drivers for this change, but some of the changes may be broken, as I cannot test or even build some of these drivers (in particular PDO dblib and PDO oci). Fixes are appreciated -- a working CI setup would be even more appreciated ;)
136 lines
3.5 KiB
C
136 lines
3.5 KiB
C
/*
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Ard Biesheuvel <abies@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef PHP_PDO_FIREBIRD_INT_H
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#define PHP_PDO_FIREBIRD_INT_H
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#include <ibase.h>
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#ifdef SQLDA_VERSION
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#define PDO_FB_SQLDA_VERSION SQLDA_VERSION
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#else
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#define PDO_FB_SQLDA_VERSION 1
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#endif
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#define PDO_FB_DIALECT 3
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#define PDO_FB_DEF_DATE_FMT "%Y-%m-%d"
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#define PDO_FB_DEF_TIME_FMT "%H:%M:%S"
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#define PDO_FB_DEF_TIMESTAMP_FMT PDO_FB_DEF_DATE_FMT " " PDO_FB_DEF_TIME_FMT
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#define SHORT_MAX (1 << (8*sizeof(short)-1))
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#if SIZEOF_ZEND_LONG == 8 && !defined(PHP_WIN32)
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# define LL_LIT(lit) lit ## L
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#else
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# define LL_LIT(lit) lit ## LL
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#endif
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#define LL_MASK "ll"
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/* Firebird API has a couple of missing const decls in its API */
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#define const_cast(s) ((char*)(s))
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#ifdef PHP_WIN32
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typedef void (__stdcall *info_func_t)(char*);
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#else
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typedef void (*info_func_t)(char*);
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#endif
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#ifndef min
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#define min(a,b) ((a)<(b)?(a):(b))
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#endif
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#if defined(_LP64) || defined(__LP64__) || defined(__arch64__) || defined(_WIN64)
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# define PDO_FIREBIRD_HANDLE_INITIALIZER 0U
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#else
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# define PDO_FIREBIRD_HANDLE_INITIALIZER NULL
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#endif
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typedef struct {
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/* the result of the last API call */
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ISC_STATUS isc_status[20];
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/* the connection handle */
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isc_db_handle db;
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/* the transaction handle */
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isc_tr_handle tr;
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/* the last error that didn't come from the API */
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char const *last_app_error;
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/* date and time format strings, can be set by the set_attribute method */
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char *date_format;
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char *time_format;
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char *timestamp_format;
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unsigned sql_dialect:2;
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/* prepend table names on column names in fetch */
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unsigned fetch_table_names:1;
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unsigned _reserved:29;
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} pdo_firebird_db_handle;
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typedef struct {
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/* the link that owns this statement */
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pdo_firebird_db_handle *H;
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/* the statement handle */
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isc_stmt_handle stmt;
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/* the name of the cursor (if it has one) */
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char name[32];
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/* the type of statement that was issued */
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char statement_type:8;
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/* whether EOF was reached for this statement */
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unsigned exhausted:1;
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/* successful isc_dsql_execute opens a cursor */
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unsigned cursor_open:1;
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unsigned _reserved:22;
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/* the named params that were converted to ?'s by the driver */
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HashTable *named_params;
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/* the input SQLDA */
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XSQLDA *in_sqlda;
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/* the output SQLDA */
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XSQLDA out_sqlda; /* last member */
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} pdo_firebird_stmt;
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extern const pdo_driver_t pdo_firebird_driver;
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extern const struct pdo_stmt_methods firebird_stmt_methods;
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void _firebird_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt, char const *file, zend_long line);
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enum {
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PDO_FB_ATTR_DATE_FORMAT = PDO_ATTR_DRIVER_SPECIFIC,
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PDO_FB_ATTR_TIME_FORMAT,
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PDO_FB_ATTR_TIMESTAMP_FORMAT,
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};
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#endif /* PHP_PDO_FIREBIRD_INT_H */
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