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SET TRANSACTION ISOLATION LEVEL ...
LOCK TABLE IN ... MODE ...implemented
This commit is contained in:
Vadim B. Mikheev
File diff suppressed because it is too large
Load Diff
@@ -10,7 +10,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.39 1998/12/13 04:37:51 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.40 1998/12/18 09:10:32 vadim Exp $
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*
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* HISTORY
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* AUTHOR DATE MAJOR EVENT
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@@ -45,6 +45,7 @@
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#include "catalog/catname.h"
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#include "utils/elog.h"
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#include "access/xact.h"
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#include "storage/lmgr.h"
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#ifdef MULTIBYTE
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#include "mb/pg_wchar.h"
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@@ -133,6 +134,8 @@ Oid param_type(int t); /* used in parse_expr.c */
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%type <str> opt_database1, opt_database2, location, encoding
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%type <str> opt_lmode
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%type <pboolean> user_createdb_clause, user_createuser_clause
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%type <str> user_passwd_clause
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%type <str> user_valid_clause
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@@ -269,8 +272,8 @@ Oid param_type(int t); /* used in parse_expr.c */
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ELSE, END_TRANS, EXECUTE, EXISTS, EXTRACT,
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FALSE_P, FETCH, FLOAT, FOR, FOREIGN, FROM, FULL,
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GRANT, GROUP, HAVING, HOUR_P,
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IN, INNER_P, INSENSITIVE, INSERT, INTERVAL, INTO, IS,
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JOIN, KEY, LANGUAGE, LEADING, LEFT, LIKE, LOCAL,
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IN, INNER_P, INSENSITIVE, INSERT, INTERVAL, INTO, IS, ISOLATION,
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JOIN, KEY, LANGUAGE, LEADING, LEFT, LEVEL, LIKE, LOCAL,
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MATCH, MINUTE_P, MONTH_P, NAMES,
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NATIONAL, NATURAL, NCHAR, NEXT, NO, NOT, NULLIF, NULL_P, NUMERIC,
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OF, ON, ONLY, OPTION, OR, ORDER, OUTER_P,
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@@ -539,6 +542,24 @@ VariableSetStmt: SET ColId TO var_value
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n->value = $4;
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$$ = (Node *) n;
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}
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| SET TRANSACTION ISOLATION LEVEL READ ColId
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{
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VariableSetStmt *n = makeNode(VariableSetStmt);
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n->name = "XactIsoLevel";
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n->value = $6;
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if (strcasecmp(n->value, "COMMITTED"))
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elog(ERROR,"parser: syntax error at or near \"%s\"", n->value);
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$$ = (Node *) n;
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}
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| SET TRANSACTION ISOLATION LEVEL ColId
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{
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VariableSetStmt *n = makeNode(VariableSetStmt);
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n->name = "XactIsoLevel";
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n->value = $5;
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if (strcasecmp(n->value, "SERIALIZABLE"))
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elog(ERROR,"parser: syntax error at or near \"%s\"", n->value);
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$$ = (Node *) n;
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}
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| SET NAMES encoding
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{
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#ifdef MB
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@@ -573,6 +594,12 @@ VariableShowStmt: SHOW ColId
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n->name = "timezone";
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$$ = (Node *) n;
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}
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| SHOW TRANSACTION ISOLATION LEVEL
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{
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VariableShowStmt *n = makeNode(VariableShowStmt);
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n->name = "XactIsoLevel";
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$$ = (Node *) n;
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}
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;
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VariableResetStmt: RESET ColId
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@@ -587,6 +614,12 @@ VariableResetStmt: RESET ColId
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n->name = "timezone";
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$$ = (Node *) n;
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}
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| RESET TRANSACTION ISOLATION LEVEL
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{
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VariableResetStmt *n = makeNode(VariableResetStmt);
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n->name = "XactIsoLevel";
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$$ = (Node *) n;
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}
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;
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@@ -2473,28 +2506,77 @@ DeleteStmt: DELETE FROM relation_name
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}
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;
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/*
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* Total hack to just lock a table inside a transaction.
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* Is it worth making this a separate command, with
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* its own node type and file. I don't think so. bjm 1998/1/22
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*/
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LockStmt: LOCK_P opt_table relation_name
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LockStmt: LOCK_P opt_table relation_name
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{
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DeleteStmt *n = makeNode(DeleteStmt);
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A_Const *c = makeNode(A_Const);
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c->val.type = T_String;
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c->val.val.str = "f";
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c->typename = makeNode(TypeName);
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c->typename->name = xlateSqlType("bool");
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c->typename->typmod = -1;
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LockStmt *n = makeNode(LockStmt);
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n->relname = $3;
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n->whereClause = (Node *)c;
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n->mode = AccessExclusiveLock;
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$$ = (Node *)n;
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}
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| LOCK_P opt_table relation_name IN opt_lmode ROW IDENT IDENT
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{
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LockStmt *n = makeNode(LockStmt);
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n->relname = $3;
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if (strcasecmp($8, "MODE"))
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elog(ERROR,"parser: syntax error at or near \"%s\"", $8);
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if ($5 != NULL)
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{
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if (strcasecmp($5, "SHARE"))
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elog(ERROR,"parser: syntax error at or near \"%s\"", $5);
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if (strcasecmp($7, "EXCLUSIVE"))
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elog(ERROR,"parser: syntax error at or near \"%s\"", $7);
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n->mode = ShareRowExclusiveLock;
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}
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else
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{
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if (strcasecmp($7, "SHARE") == 0)
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n->mode = RowShareLock;
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else if (strcasecmp($7, "EXCLUSIVE") == 0)
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n->mode = RowExclusiveLock;
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else
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elog(ERROR,"parser: syntax error at or near \"%s\"", $7);
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}
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$$ = (Node *)n;
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}
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| LOCK_P opt_table relation_name IN IDENT IDENT IDENT
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{
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LockStmt *n = makeNode(LockStmt);
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n->relname = $3;
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if (strcasecmp($7, "MODE"))
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elog(ERROR,"parser: syntax error at or near \"%s\"", $7);
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if (strcasecmp($5, "ACCESS"))
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elog(ERROR,"parser: syntax error at or near \"%s\"", $5);
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if (strcasecmp($6, "SHARE") == 0)
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n->mode = AccessShareLock;
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else if (strcasecmp($6, "EXCLUSIVE") == 0)
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n->mode = AccessExclusiveLock;
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else
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elog(ERROR,"parser: syntax error at or near \"%s\"", $6);
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$$ = (Node *)n;
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}
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| LOCK_P opt_table relation_name IN IDENT IDENT
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{
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LockStmt *n = makeNode(LockStmt);
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n->relname = $3;
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if (strcasecmp($6, "MODE"))
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elog(ERROR,"parser: syntax error at or near \"%s\"", $6);
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if (strcasecmp($5, "SHARE") == 0)
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n->mode = ShareLock;
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else if (strcasecmp($5, "EXCLUSIVE") == 0)
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n->mode = ExclusiveLock;
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else
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elog(ERROR,"parser: syntax error at or near \"%s\"", $5);
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$$ = (Node *)n;
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}
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;
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opt_lmode: IDENT { $$ = $1; }
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| /*EMPTY*/ { $$ = NULL; }
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;
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/*****************************************************************************
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*
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@@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.49 1998/12/04 15:34:29 thomas Exp $
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* $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.50 1998/12/18 09:10:34 vadim Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@@ -124,12 +124,14 @@ static ScanKeyword ScanKeywords[] = {
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{"into", INTO},
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{"is", IS},
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{"isnull", ISNULL},
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{"isolation", ISOLATION},
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{"join", JOIN},
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{"key", KEY},
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{"lancompiler", LANCOMPILER},
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{"language", LANGUAGE},
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{"leading", LEADING},
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{"left", LEFT},
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{"level", LEVEL},
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{"like", LIKE},
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{"listen", LISTEN},
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{"load", LOAD},
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@@ -94,157 +94,159 @@ typedef union
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#define INTERVAL 320
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#define INTO 321
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#define IS 322
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#define JOIN 323
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#define KEY 324
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#define LANGUAGE 325
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#define LEADING 326
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#define LEFT 327
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#define LIKE 328
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#define LOCAL 329
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#define MATCH 330
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#define MINUTE_P 331
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#define MONTH_P 332
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#define NAMES 333
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#define NATIONAL 334
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#define NATURAL 335
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#define NCHAR 336
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#define NEXT 337
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#define NO 338
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#define NOT 339
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#define NULLIF 340
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#define NULL_P 341
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#define NUMERIC 342
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#define OF 343
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#define ON 344
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#define ONLY 345
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#define OPTION 346
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#define OR 347
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#define ORDER 348
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#define OUTER_P 349
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#define PARTIAL 350
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#define POSITION 351
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#define PRECISION 352
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#define PRIMARY 353
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#define PRIOR 354
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#define PRIVILEGES 355
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#define PROCEDURE 356
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#define PUBLIC 357
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#define READ 358
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#define REFERENCES 359
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#define RELATIVE 360
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#define REVOKE 361
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#define RIGHT 362
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#define ROLLBACK 363
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#define SCROLL 364
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#define SECOND_P 365
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#define SELECT 366
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#define SET 367
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#define SUBSTRING 368
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#define TABLE 369
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#define THEN 370
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#define TIME 371
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#define TIMESTAMP 372
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#define TIMEZONE_HOUR 373
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#define TIMEZONE_MINUTE 374
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#define TO 375
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#define TRAILING 376
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#define TRANSACTION 377
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#define TRIM 378
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#define TRUE_P 379
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#define UNION 380
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#define UNIQUE 381
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#define UPDATE 382
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#define USER 383
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#define USING 384
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#define VALUES 385
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#define VARCHAR 386
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#define VARYING 387
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#define VIEW 388
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#define WHEN 389
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#define WHERE 390
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#define WITH 391
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#define WORK 392
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#define YEAR_P 393
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#define ZONE 394
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#define TRIGGER 395
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#define TYPE_P 396
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#define ABORT_TRANS 397
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#define AFTER 398
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#define AGGREGATE 399
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#define ANALYZE 400
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#define BACKWARD 401
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#define BEFORE 402
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#define BINARY 403
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#define CACHE 404
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#define CLUSTER 405
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#define COPY 406
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#define CREATEDB 407
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#define CREATEUSER 408
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#define CYCLE 409
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#define DATABASE 410
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#define DELIMITERS 411
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#define DO 412
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#define EACH 413
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#define ENCODING 414
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#define EXPLAIN 415
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#define EXTEND 416
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#define FORWARD 417
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#define FUNCTION 418
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#define HANDLER 419
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#define INCREMENT 420
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#define INDEX 421
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#define INHERITS 422
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#define INSTEAD 423
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#define ISNULL 424
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#define LANCOMPILER 425
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#define LISTEN 426
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#define LOAD 427
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#define LOCATION 428
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#define LOCK_P 429
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#define MAXVALUE 430
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#define MINVALUE 431
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#define MOVE 432
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#define NEW 433
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#define NOCREATEDB 434
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#define NOCREATEUSER 435
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#define NONE 436
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#define NOTHING 437
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#define NOTIFY 438
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#define NOTNULL 439
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#define OIDS 440
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#define OPERATOR 441
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#define PASSWORD 442
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#define PROCEDURAL 443
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#define RECIPE 444
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#define RENAME 445
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#define RESET 446
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#define RETURNS 447
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#define ROW 448
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#define RULE 449
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#define SEQUENCE 450
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#define SERIAL 451
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#define SETOF 452
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#define SHOW 453
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#define START 454
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#define STATEMENT 455
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#define STDIN 456
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#define STDOUT 457
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#define TRUSTED 458
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#define UNLISTEN 459
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#define UNTIL 460
|
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#define VACUUM 461
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#define VALID 462
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#define VERBOSE 463
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#define VERSION 464
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#define IDENT 465
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#define SCONST 466
|
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#define Op 467
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#define ICONST 468
|
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#define PARAM 469
|
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#define FCONST 470
|
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#define OP 471
|
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#define UMINUS 472
|
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#define TYPECAST 473
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#define ISOLATION 323
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#define JOIN 324
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#define KEY 325
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#define LANGUAGE 326
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#define LEADING 327
|
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#define LEFT 328
|
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#define LEVEL 329
|
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#define LIKE 330
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#define LOCAL 331
|
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#define MATCH 332
|
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#define MINUTE_P 333
|
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#define MONTH_P 334
|
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#define NAMES 335
|
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#define NATIONAL 336
|
||||
#define NATURAL 337
|
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#define NCHAR 338
|
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#define NEXT 339
|
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#define NO 340
|
||||
#define NOT 341
|
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#define NULLIF 342
|
||||
#define NULL_P 343
|
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#define NUMERIC 344
|
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#define OF 345
|
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#define ON 346
|
||||
#define ONLY 347
|
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#define OPTION 348
|
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#define OR 349
|
||||
#define ORDER 350
|
||||
#define OUTER_P 351
|
||||
#define PARTIAL 352
|
||||
#define POSITION 353
|
||||
#define PRECISION 354
|
||||
#define PRIMARY 355
|
||||
#define PRIOR 356
|
||||
#define PRIVILEGES 357
|
||||
#define PROCEDURE 358
|
||||
#define PUBLIC 359
|
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#define READ 360
|
||||
#define REFERENCES 361
|
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#define RELATIVE 362
|
||||
#define REVOKE 363
|
||||
#define RIGHT 364
|
||||
#define ROLLBACK 365
|
||||
#define SCROLL 366
|
||||
#define SECOND_P 367
|
||||
#define SELECT 368
|
||||
#define SET 369
|
||||
#define SUBSTRING 370
|
||||
#define TABLE 371
|
||||
#define THEN 372
|
||||
#define TIME 373
|
||||
#define TIMESTAMP 374
|
||||
#define TIMEZONE_HOUR 375
|
||||
#define TIMEZONE_MINUTE 376
|
||||
#define TO 377
|
||||
#define TRAILING 378
|
||||
#define TRANSACTION 379
|
||||
#define TRIM 380
|
||||
#define TRUE_P 381
|
||||
#define UNION 382
|
||||
#define UNIQUE 383
|
||||
#define UPDATE 384
|
||||
#define USER 385
|
||||
#define USING 386
|
||||
#define VALUES 387
|
||||
#define VARCHAR 388
|
||||
#define VARYING 389
|
||||
#define VIEW 390
|
||||
#define WHEN 391
|
||||
#define WHERE 392
|
||||
#define WITH 393
|
||||
#define WORK 394
|
||||
#define YEAR_P 395
|
||||
#define ZONE 396
|
||||
#define TRIGGER 397
|
||||
#define TYPE_P 398
|
||||
#define ABORT_TRANS 399
|
||||
#define AFTER 400
|
||||
#define AGGREGATE 401
|
||||
#define ANALYZE 402
|
||||
#define BACKWARD 403
|
||||
#define BEFORE 404
|
||||
#define BINARY 405
|
||||
#define CACHE 406
|
||||
#define CLUSTER 407
|
||||
#define COPY 408
|
||||
#define CREATEDB 409
|
||||
#define CREATEUSER 410
|
||||
#define CYCLE 411
|
||||
#define DATABASE 412
|
||||
#define DELIMITERS 413
|
||||
#define DO 414
|
||||
#define EACH 415
|
||||
#define ENCODING 416
|
||||
#define EXPLAIN 417
|
||||
#define EXTEND 418
|
||||
#define FORWARD 419
|
||||
#define FUNCTION 420
|
||||
#define HANDLER 421
|
||||
#define INCREMENT 422
|
||||
#define INDEX 423
|
||||
#define INHERITS 424
|
||||
#define INSTEAD 425
|
||||
#define ISNULL 426
|
||||
#define LANCOMPILER 427
|
||||
#define LISTEN 428
|
||||
#define LOAD 429
|
||||
#define LOCATION 430
|
||||
#define LOCK_P 431
|
||||
#define MAXVALUE 432
|
||||
#define MINVALUE 433
|
||||
#define MOVE 434
|
||||
#define NEW 435
|
||||
#define NOCREATEDB 436
|
||||
#define NOCREATEUSER 437
|
||||
#define NONE 438
|
||||
#define NOTHING 439
|
||||
#define NOTIFY 440
|
||||
#define NOTNULL 441
|
||||
#define OIDS 442
|
||||
#define OPERATOR 443
|
||||
#define PASSWORD 444
|
||||
#define PROCEDURAL 445
|
||||
#define RECIPE 446
|
||||
#define RENAME 447
|
||||
#define RESET 448
|
||||
#define RETURNS 449
|
||||
#define ROW 450
|
||||
#define RULE 451
|
||||
#define SEQUENCE 452
|
||||
#define SERIAL 453
|
||||
#define SETOF 454
|
||||
#define SHOW 455
|
||||
#define START 456
|
||||
#define STATEMENT 457
|
||||
#define STDIN 458
|
||||
#define STDOUT 459
|
||||
#define TRUSTED 460
|
||||
#define UNLISTEN 461
|
||||
#define UNTIL 462
|
||||
#define VACUUM 463
|
||||
#define VALID 464
|
||||
#define VERBOSE 465
|
||||
#define VERSION 466
|
||||
#define IDENT 467
|
||||
#define SCONST 468
|
||||
#define Op 469
|
||||
#define ICONST 470
|
||||
#define PARAM 471
|
||||
#define FCONST 472
|
||||
#define OP 473
|
||||
#define UMINUS 474
|
||||
#define TYPECAST 475
|
||||
|
||||
|
||||
extern YYSTYPE yylval;
|
||||
|
||||
Reference in New Issue
Block a user