pg_parse 0.12.0

PostgreSQL parser that uses the actual PostgreSQL server source to parse SQL queries and return the internal PostgreSQL parse tree.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108

/*-------------------------------------------------------------------------
 *
 * deparse_utility.h
 *
 * Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/tcop/deparse_utility.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef DEPARSE_UTILITY_H
#define DEPARSE_UTILITY_H

#include "access/attnum.h"
#include "catalog/objectaddress.h"
#include "nodes/nodes.h"
#include "utils/aclchk_internal.h"


/*
 * Support for keeping track of collected commands.
 */
typedef enum CollectedCommandType
{
	SCT_Simple,
	SCT_AlterTable,
	SCT_Grant,
	SCT_AlterOpFamily,
	SCT_AlterDefaultPrivileges,
	SCT_CreateOpClass,
	SCT_AlterTSConfig,
} CollectedCommandType;

/*
 * For ALTER TABLE commands, we keep a list of the subcommands therein.
 */
typedef struct CollectedATSubcmd
{
	ObjectAddress address;		/* affected column, constraint, index, ... */
	Node	   *parsetree;
} CollectedATSubcmd;

typedef struct CollectedCommand
{
	CollectedCommandType type;

	bool		in_extension;
	Node	   *parsetree;

	union
	{
		/* most commands */
		struct
		{
			ObjectAddress address;
			ObjectAddress secondaryObject;
		}			simple;

		/* ALTER TABLE, and internal uses thereof */
		struct
		{
			Oid			objectId;
			Oid			classId;
			List	   *subcmds;
		}			alterTable;

		/* GRANT / REVOKE */
		struct
		{
			InternalGrant *istmt;
		}			grant;

		/* ALTER OPERATOR FAMILY */
		struct
		{
			ObjectAddress address;
			List	   *operators;
			List	   *procedures;
		}			opfam;

		/* CREATE OPERATOR CLASS */
		struct
		{
			ObjectAddress address;
			List	   *operators;
			List	   *procedures;
		}			createopc;

		/* ALTER TEXT SEARCH CONFIGURATION ADD/ALTER/DROP MAPPING */
		struct
		{
			ObjectAddress address;
			Oid		   *dictIds;
			int			ndicts;
		}			atscfg;

		/* ALTER DEFAULT PRIVILEGES */
		struct
		{
			ObjectType	objtype;
		}			defprivs;
	}			d;

	struct CollectedCommand *parent;	/* when nested */
} CollectedCommand;

#endif							/* DEPARSE_UTILITY_H */