pgsql.constants.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Predefined Constants</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="pgsql.resources.html">Resource Types</a></div> <div class="next" style="text-align: right; float: right;"><a href="pgsql.examples.html">Examples</a></div> <div class="up"><a href="book.pgsql.html">PostgreSQL</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div> <h1>Predefined Constants</h1> <p class="simpara">The constants below are defined by this extension, andwill only be available when the extension has eitherbeen compiled into PHP or dynamically loaded at runtime.</p> <dl> <dt> <span class="term"> <b><tt>PGSQL_ASSOC</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Passed to <a href="function.pg-fetch-array.html" class="function">pg_fetch_array()</a>. Return an associative array of field names and values. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_NUM</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Passed to <a href="function.pg-fetch-array.html" class="function">pg_fetch_array()</a>. Return a numerically indexed array of field numbers and values. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_BOTH</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Passed to <a href="function.pg-fetch-array.html" class="function">pg_fetch_array()</a>. Return an array of field values that is both numerically indexed (by field number) and associated (by field name). </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_CONNECT_FORCE_NEW</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Passed to <a href="function.pg-connect.html" class="function">pg_connect()</a> to force the creation of a new connection, rather then re-using an existing identical connection. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_CONNECTION_BAD</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-connection-status.html" class="function">pg_connection_status()</a> indicating that the database connection is in an invalid state. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_CONNECTION_OK</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-connection-status.html" class="function">pg_connection_status()</a> indicating that the database connection is in a valid state. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_SEEK_SET</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Passed to <a href="function.pg-lo-seek.html" class="function">pg_lo_seek()</a>. Seek operation is to begin from the start of the object. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_SEEK_CUR</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Passed to <a href="function.pg-lo-seek.html" class="function">pg_lo_seek()</a>. Seek operation is to begin from the current position. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_SEEK_END</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Passed to <a href="function.pg-lo-seek.html" class="function">pg_lo_seek()</a>. Seek operation is to begin from the end of the object. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_EMPTY_QUERY</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-result-status.html" class="function">pg_result_status()</a>. The string sent to the server was empty. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_COMMAND_OK</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-result-status.html" class="function">pg_result_status()</a>. Successful completion of a command returning no data. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_TUPLES_OK</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-result-status.html" class="function">pg_result_status()</a>. Successful completion of a command returning data (such as a <i>SELECT</i> or <i>SHOW</i>). </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_COPY_OUT</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-result-status.html" class="function">pg_result_status()</a>. Copy Out (from server) data transfer started. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_COPY_IN</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-result-status.html" class="function">pg_result_status()</a>. Copy In (to server) data transfer started. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_BAD_RESPONSE</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-result-status.html" class="function">pg_result_status()</a>. The server's response was not understood. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_NONFATAL_ERROR</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-result-status.html" class="function">pg_result_status()</a>. A nonfatal error (a notice or warning) occurred. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_FATAL_ERROR</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-result-status.html" class="function">pg_result_status()</a>. A fatal error occurred. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_TRANSACTION_IDLE</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-transaction-status.html" class="function">pg_transaction_status()</a>. Connection is currently idle, not in a transaction. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_TRANSACTION_ACTIVE</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-transaction-status.html" class="function">pg_transaction_status()</a>. A command is in progress on the connection. A query has been sent via the connection and not yet completed. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_TRANSACTION_INTRANS</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-transaction-status.html" class="function">pg_transaction_status()</a>. The connection is idle, in a transaction block. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_TRANSACTION_INERROR</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span> <dd> <span class="simpara"> Returned by <a href="function.pg-transaction-status.html" class="function">pg_transaction_status()</a>. The connection is idle, in a failed transaction block. </span> </dd> </dt> <dt> <span class="term"> <b><tt>PGSQL_TRANSACTION_UNKNOWN</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </span>⌨️ 快捷键说明
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