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39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* fmgrtab.h
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* The function manager's table of internal functions.
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*
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* Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/utils/fmgrtab.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef FMGRTAB_H
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#define FMGRTAB_H
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#include "fmgr.h"
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/*
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* This table stores info about all the built-in functions (ie, functions
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* that are compiled into the Postgres executable). The table entries are
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* required to appear in Oid order, so that binary search can be used.
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*/
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typedef struct
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{
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Oid foid; /* OID of the function */
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const char *funcName; /* C name of the function */
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short nargs; /* 0..FUNC_MAX_ARGS, or -1 if variable count */
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bool strict; /* T if function is "strict" */
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bool retset; /* T if function returns a set */
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PGFunction func; /* pointer to compiled function */
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} FmgrBuiltin;
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extern const FmgrBuiltin fmgr_builtins[];
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extern const int fmgr_nbuiltins; /* number of entries in table */
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#endif /* FMGRTAB_H */
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