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2b84cbb60f
Initdb help correction Changed end/abort to commit/rollback and changed related notices Commented out way old printing functions in libpq Fixed a typo in alter table / alter column
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/*
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* psql - the PostgreSQL interactive terminal
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*
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* Copyright 2000 by PostgreSQL Global Development Group
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*
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* $Header: /cvsroot/pgsql/src/bin/psql/variables.h,v 1.5 2000/01/29 16:58:49 petere Exp $
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*/
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/*
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* This implements a sort of variable repository. One could also think of it
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* as cheap version of an associative array. In each one of these
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* datastructures you can store name/value pairs.
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*
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* All functions (should) follow the Shit-In-Shit-Out (SISO) principle, i.e.,
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* you can pass them NULL pointers and the like and they will return something
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* appropriate.
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*/
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#ifndef VARIABLES_H
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#define VARIABLES_H
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#include <c.h>
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#define VALID_VARIABLE_CHARS "abcdefghijklmnopqrstuvwxyz"\
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ" "0123456789_"
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struct _variable
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{
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char *name;
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char *value;
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struct _variable *next;
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};
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typedef struct _variable *VariableSpace;
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VariableSpace CreateVariableSpace(void);
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const char *GetVariable(VariableSpace space, const char *name);
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bool GetVariableBool(VariableSpace space, const char *name);
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bool SetVariable(VariableSpace space, const char *name, const char *value);
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bool DeleteVariable(VariableSpace space, const char *name);
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void DestroyVariableSpace(VariableSpace space);
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#endif /* VARIABLES_H */
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