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70331c361e
Postgres client API is pretty poor, so we have zero idea about the actual parameter types in a statement. We now defer the preparation of a statement until the first call to execute is made. At that point, we have the parameters defined by the calling script, so we can use the typing specified there when we perform the prepare. For PDO_PARAM_LOB parameters, we set the binary formatting flag. We can't just set this flag for all parameters, because its meaning is not "string data, counted length" but "data is in native format". If this flag is set for a numeric column and we send the number 1 formatted as a string, then we will get an "insufficient data left in message" error message, because the library was expecting sizeof(int4) bytes but only saw 1 byte for "1". This is infuriating because we have no way to determine the datatypes for parameters, and the type we explicitly set has to match the type in the database. The only choice we're left with is telling postgres to deduce the type; we still have no idea what type was deduced.
103 lines
3.0 KiB
C
103 lines
3.0 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2005 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.0 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_0.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: Edin Kadribasic <edink@emini.dk> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#ifndef PHP_PDO_PGSQL_INT_H
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#define PHP_PDO_PGSQL_INT_H
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#include <libpq-fe.h>
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#include <php.h>
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#define PHP_PDO_PGSQL_CONNECTION_FAILURE_SQLSTATE "08006"
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typedef struct {
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const char *file;
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int line;
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unsigned int errcode;
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char *errmsg;
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} pdo_pgsql_error_info;
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/* stuff we use in a pgsql database handle */
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typedef struct {
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PGconn *server;
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unsigned attached:1;
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unsigned _reserved:31;
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pdo_pgsql_error_info einfo;
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Oid pgoid;
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} pdo_pgsql_db_handle;
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typedef struct {
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char *def;
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Oid pgsql_type;
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long intval;
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zend_bool boolval;
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} pdo_pgsql_column;
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typedef struct {
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pdo_pgsql_db_handle *H;
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PGresult *result;
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int current_row;
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pdo_pgsql_column *cols;
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char *cursor_name;
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#if HAVE_PQPREPARE
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char *stmt_name;
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char *query;
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char **param_values;
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int *param_lengths;
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int *param_formats;
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Oid *param_types;
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#endif
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} pdo_pgsql_stmt;
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typedef struct {
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char *repr;
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long repr_len;
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int pgsql_type;
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void *thing; /* for LOBS, REFCURSORS etc. */
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} pdo_pgsql_bound_param;
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extern pdo_driver_t pdo_pgsql_driver;
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extern int _pdo_pgsql_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt, int errcode, const char *sqlstate, const char *file, int line TSRMLS_DC);
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#define pdo_pgsql_error(d,e,z) _pdo_pgsql_error(d, NULL, e, z, __FILE__, __LINE__ TSRMLS_CC)
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#define pdo_pgsql_error_stmt(s,e,z) _pdo_pgsql_error(s->dbh, s, e, z, __FILE__, __LINE__ TSRMLS_CC)
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extern struct pdo_stmt_methods pgsql_stmt_methods;
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#ifdef HAVE_PQRESULTERRORFIELD
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#define pdo_pgsql_sqlstate(r) PQresultErrorField(r, PG_DIAG_SQLSTATE)
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#else
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#define pdo_pgsql_sqlstate(r) (const char *)NULL
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#endif
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enum {
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PDO_PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT = PDO_ATTR_DRIVER_SPECIFIC,
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};
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#endif /* PHP_PDO_PGSQL_INT_H */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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