php-doc-en/reference/pgsql/constants.xml

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<appendix xml:id="pgsql.constants" xmlns="http://docbook.org/ns/docbook">
 &reftitle.constants;
 &extension.constants;
 
 <variablelist>
  <varlistentry xml:id="constant.pgsql-assoc">
   <term>
    <constant>PGSQL_ASSOC</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
      Passed to <function>pg_fetch_array</function>. Return an associative array of field
      names and values.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-num">
   <term>
    <constant>PGSQL_NUM</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
      Passed to <function>pg_fetch_array</function>. Return a numerically indexed array of field
      numbers and values.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-both">
   <term>
    <constant>PGSQL_BOTH</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
      Passed to <function>pg_fetch_array</function>. Return an array of field values
      that is both numerically indexed (by field number) and associated (by field name).
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-connect-force-new">
   <term>
    <constant>PGSQL_CONNECT_FORCE_NEW</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
      Passed to <function>pg_connect</function> to force the creation of a new connection,
      rather than re-using an existing identical connection.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-connection-bad">
   <term>
    <constant>PGSQL_CONNECTION_BAD</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
      Returned by <function>pg_connection_status</function> indicating that the database
      connection is in an invalid state.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-connection-ok">
   <term>
    <constant>PGSQL_CONNECTION_OK</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
      Returned by <function>pg_connection_status</function> indicating that the database
      connection is in a valid state.     
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-seek-set">
   <term>
    <constant>PGSQL_SEEK_SET</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_lo_seek</function>. Seek operation is to begin
     from the start of the object.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-seek-cur">
   <term>
    <constant>PGSQL_SEEK_CUR</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_lo_seek</function>. Seek operation is to begin
     from the current position.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-seek-end">
   <term>
    <constant>PGSQL_SEEK_END</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_lo_seek</function>. Seek operation is to begin
     from the end of the object.     
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-empty-query">
   <term>
    <constant>PGSQL_EMPTY_QUERY</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_result_status</function>. The string sent to the server
     was empty.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-command-ok">
   <term>
    <constant>PGSQL_COMMAND_OK</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_result_status</function>. Successful completion of a 
     command returning no data.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-tuples-ok">
   <term>
    <constant>PGSQL_TUPLES_OK</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_result_status</function>. Successful completion of a command 
     returning data (such as a <literal>SELECT</literal> or <literal>SHOW</literal>).
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-copy-out">
   <term>
    <constant>PGSQL_COPY_OUT</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_result_status</function>. Copy Out (from server) data 
     transfer started.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-copy-in">
   <term>
    <constant>PGSQL_COPY_IN</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_result_status</function>. Copy In (to server) data 
     transfer started.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-bad-response">
   <term>
    <constant>PGSQL_BAD_RESPONSE</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_result_status</function>. The server's response 
     was not understood.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-nonfatal-error">
   <term>
    <constant>PGSQL_NONFATAL_ERROR</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_result_status</function>. A nonfatal error 
     (a notice or warning) occurred.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-fatal-error">
   <term>
    <constant>PGSQL_FATAL_ERROR</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_result_status</function>. A fatal error 
     occurred.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-transaction-idle">
   <term>
    <constant>PGSQL_TRANSACTION_IDLE</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_transaction_status</function>. Connection is
     currently idle, not in a transaction.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-transaction-active">
   <term>
    <constant>PGSQL_TRANSACTION_ACTIVE</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_transaction_status</function>. A command
     is in progress on the connection.  A query has been sent via the connection
     and not yet completed.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-transaction-intrans">
   <term>
    <constant>PGSQL_TRANSACTION_INTRANS</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_transaction_status</function>. The connection
     is idle, in a transaction block.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-transaction-inerror">
   <term>
    <constant>PGSQL_TRANSACTION_INERROR</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_transaction_status</function>. The connection
     is idle, in a failed transaction block.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-transaction-unknown">
   <term>
    <constant>PGSQL_TRANSACTION_UNKNOWN</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Returned by <function>pg_transaction_status</function>. The connection
     is bad.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-severity">
   <term>
    <constant>PGSQL_DIAG_SEVERITY</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     The severity; the field contents are <literal>ERROR</literal>, 
     <literal>FATAL</literal>, or <literal>PANIC</literal> (in an error message), or 
     <literal>WARNING</literal>, <literal>NOTICE</literal>, <literal>DEBUG</literal>, 
     <literal>INFO</literal>, or <literal>LOG</literal> (in a notice message), or a localized 
     translation of one of these. Always present.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-sqlstate">
   <term>
    <constant>PGSQL_DIAG_SQLSTATE</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     The SQLSTATE code for the error. The SQLSTATE code identifies the type of error 
     that has occurred; it can be used by front-end applications to perform specific 
     operations (such as error handling) in response to a particular database error. 
     This field is not localizable, and is always present.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-message-primary">
   <term>
    <constant>PGSQL_DIAG_MESSAGE_PRIMARY</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     The primary human-readable error message (typically one line). Always present.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-message-detail">
   <term>
    <constant>PGSQL_DIAG_MESSAGE_DETAIL</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     Detail: an optional secondary error message carrying more detail about the problem. May run to multiple lines.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-message-hint">
   <term>
    <constant>PGSQL_DIAG_MESSAGE_HINT</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     Hint: an optional suggestion what to do about the problem. This is intended to differ from detail in that it
     offers advice (potentially inappropriate) rather than hard facts. May run to multiple lines.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-statement-position">
   <term>
    <constant>PGSQL_DIAG_STATEMENT_POSITION</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     A string containing a decimal integer indicating an error cursor position as an index into the original 
     statement string. The first character has index 1, and positions are measured in characters not bytes.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-internal-position">
   <term>
    <constant>PGSQL_DIAG_INTERNAL_POSITION</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     This is defined the same as the <constant>PG_DIAG_STATEMENT_POSITION</constant> field, but 
     it is used when the cursor position refers to an internally generated 
     command rather than the one submitted by the client. The 
     <constant>PG_DIAG_INTERNAL_QUERY</constant> field will always appear when this 
     field appears.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-internal-query">
   <term>
    <constant>PGSQL_DIAG_INTERNAL_QUERY</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     The text of a failed internally-generated command. This could be, for example, a 
     SQL query issued by a PL/pgSQL function.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-context">
   <term>
    <constant>PGSQL_DIAG_CONTEXT</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     An indication of the context in which the error occurred. Presently 
     this includes a call stack traceback of active procedural language 
     functions and internally-generated queries. The trace is one entry 
     per line, most recent first.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-source-file">
   <term>
    <constant>PGSQL_DIAG_SOURCE_FILE</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     The file name of the PostgreSQL source-code location where the error 
     was reported.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-source-line">
   <term>
    <constant>PGSQL_DIAG_SOURCE_LINE</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     The line number of the PostgreSQL source-code location where the 
     error was reported.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-diag-source-function">
   <term>
    <constant>PGSQL_DIAG_SOURCE_FUNCTION</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_error_field</function>.
     The name of the PostgreSQL source-code function reporting the error.
    </simpara>
   </listitem>
  </varlistentry>

  <varlistentry xml:id="constant.pgsql-errors-terse">
   <term>
    <constant>PGSQL_ERRORS_TERSE</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_set_error_verbosity</function>.
     Specified that returned messages include severity, primary text, 
     and position only; this will normally fit on a single line.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-errors-default">
   <term>
    <constant>PGSQL_ERRORS_DEFAULT</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_set_error_verbosity</function>.
     The default mode produces messages that include the above 
     plus any detail, hint, or context fields (these may span 
     multiple lines).
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-errors-verbose">
   <term>
    <constant>PGSQL_ERRORS_VERBOSE</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_set_error_verbosity</function>.
     The verbose mode includes all available fields.
    </simpara>
   </listitem>
  </varlistentry>

  <varlistentry xml:id="constant.pgsql-status-long">
   <term>
    <constant>PGSQL_STATUS_LONG</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_status</function>.  Indicates that
     numerical result code is desired.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-status-string">
   <term>
    <constant>PGSQL_STATUS_STRING</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_result_status</function>.  Indicates that
     textual result command tag is desired.
    </simpara>
   </listitem>
  </varlistentry>

  <varlistentry xml:id="constant.pgsql-conv-ignore-default">
   <term>
    <constant>PGSQL_CONV_IGNORE_DEFAULT</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_convert</function>.
     Ignore default values in the table during conversion.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-conv-force-null">
   <term>
    <constant>PGSQL_CONV_FORCE_NULL</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_convert</function>.
     Use SQL <literal>NULL</literal> in place of an empty <type>string</type>.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.pgsql-conv-ignore-not-null">
   <term>
    <constant>PGSQL_CONV_IGNORE_NOT_NULL</constant> 
    (<type>integer</type>)
   </term>
   <listitem>
    <simpara>
     Passed to <function>pg_convert</function>.
     Ignore conversion of &null; into SQL <literal>NOT NULL</literal> columns.
    </simpara>
   </listitem>
  </varlistentry>

 </variablelist>
</appendix>

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