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>41.4. <TT
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>pg_amop</TT
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><P
> The catalog <TT
CLASS="STRUCTNAME"
>pg_amop</TT
> stores information about operators
associated with index access method operator classes. There is one
row for each operator that is a member of an operator class.
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>Table 41-4. <TT
CLASS="STRUCTNAME"
>pg_amop</TT
> Columns</B
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>Name</TH
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>Type</TH
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>References</TH
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>Description</TH
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><TD
><TT
CLASS="STRUCTFIELD"
>amopclaid</TT
></TD
><TD
><TT
CLASS="TYPE"
>oid</TT
></TD
><TD
><TT
CLASS="LITERAL"
><A
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><TT
CLASS="STRUCTNAME"
>pg_opclass</TT
></A
>.oid</TT
></TD
><TD
>The index operator class this entry is for</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>amopsubtype</TT
></TD
><TD
><TT
CLASS="TYPE"
>oid</TT
></TD
><TD
><TT
CLASS="LITERAL"
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>pg_type</TT
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>.oid</TT
></TD
><TD
>Subtype to distinguish multiple entries for one strategy;
zero for default</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>amopstrategy</TT
></TD
><TD
><TT
CLASS="TYPE"
>int2</TT
></TD
><TD
> </TD
><TD
>Operator strategy number</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>amopreqcheck</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
> </TD
><TD
>Index hit must be rechecked</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>amopopr</TT
></TD
><TD
><TT
CLASS="TYPE"
>oid</TT
></TD
><TD
><TT
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><A
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><TT
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>pg_operator</TT
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>.oid</TT
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><TD
>OID of the operator</TD
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