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>8.31. check_table_field_exists(p_field text, p_table text, p_namespace text)</A
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>Function Properties</B
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>Language: </B
>PLPGSQL</P
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>Return Type: </B
>boolean</P
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Check if a table has a specific attribute
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CLASS="PROGRAMLISTING"
>BEGIN
return exists (
select 1 from "information_schema".columns
where table_schema = p_namespace
and table_name = p_table
and column_name = p_field
);
END;</PRE
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