PHP:pg_field_table()的用法_PostgreSQL函数

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(PHP 5 >= 5.2.0)

pg_field_table — Returns the name or oid of the tables field

pg_field_table() returns the name of the table that field belongs to, or the table&#;s oid if oid_only is TRUE.

result

PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).

Field number, starting from 0.

By default the tables name that field belongs to is returned but if oid_only is set to TRUE, then the oid will instead be returned.

On success either the fields table name or oid. Or, FALSE on failure.

Example #1 Getting table information about a field

以上例程的输出类似于：

Note:

Returning the oid is much faster than returning the table name because fetching the table name requires a query to the database system table.

pg_field_name() - 返回字段的名字 pg_field_type() - 返回相应字段的类型名称

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