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56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*-------------------------------------------------------------------------
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*
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* fcache.h--
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*
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: fcache.h,v 1.1.1.1 1996/07/09 06:22:01 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef FCACHE_H
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#define FCACHE_H
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#include "fmgr.h"
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typedef struct
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{
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int typlen; /* length of the return type */
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int typbyval; /* true if return type is pass by value */
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func_ptr func; /* address of function to call (for c funcs) */
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Oid foid; /* oid of the function in pg_proc */
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Oid language; /* oid of the language in pg_language */
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int nargs; /* number of arguments */
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/* Might want to make these two arrays of size MAXFUNCARGS */
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Oid *argOidVect; /* oids of all the arguments */
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bool *nullVect; /* keep track of null arguments */
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char *src; /* source code of the function */
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char *bin; /* binary object code ?? */
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char *func_state; /* fuction_state struct for execution */
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bool oneResult; /* true we only want 1 result from the
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* function
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*/
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bool hasSetArg; /* true if func is part of a nested dot expr
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* whose argument is func returning a set ugh!
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*/
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Pointer funcSlot; /* if one result we need to copy it before we
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* end execution of the function and free stuff
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*/
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char *setArg; /* current argument for nested dot execution
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* Nested dot expressions mean we have funcs
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* whose argument is a set of tuples
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*/
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bool istrusted; /* trusted fn? */
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} FunctionCache, *FunctionCachePtr;
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#endif /* FCACHE_H */
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