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Implement isolation levels read uncommitted and repeatable read as acting

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like the next higher one.
This commit is contained in:
Peter Eisentraut
2003-11-06 22:08:15 +00:00
parent 144a2ecd57
commit 96889392e9
15 changed files with 156 additions and 69 deletions
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14
src/backend/parser/gram.y
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@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.436 2003/10/02 06:34:04 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.437 2003/11/06 22:08:14 petere Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -342,7 +342,7 @@ static void doNegateFloat(Value *v);
DATABASE DAY_P DEALLOCATE DEC DECIMAL_P DECLARE DEFAULT DEFAULTS
DEFERRABLE DEFERRED DEFINER DELETE_P DELIMITER DELIMITERS
DESC DISTINCT DO DOMAIN_P DOUBLE_P DROP
DESC DISTINCT DO DOMAIN_P DOUBLE_P DROP
EACH ELSE ENCODING ENCRYPTED END_P ESCAPE EXCEPT EXCLUDING
EXCLUSIVE EXECUTE EXISTS EXPLAIN EXTERNAL EXTRACT
@@ -380,7 +380,7 @@ static void doNegateFloat(Value *v);
PRECISION PRESERVE PREPARE PRIMARY
PRIOR PRIVILEGES PROCEDURAL PROCEDURE
READ REAL RECHECK REFERENCES REINDEX RELATIVE_P RENAME REPLACE
READ REAL RECHECK REFERENCES REINDEX RELATIVE_P RENAME REPEATABLE REPLACE
RESET RESTART RESTRICT RETURNS REVOKE RIGHT ROLLBACK ROW ROWS
RULE
@@ -393,7 +393,7 @@ static void doNegateFloat(Value *v);
TO TOAST TRAILING TRANSACTION TREAT TRIGGER TRIM TRUE_P
TRUNCATE TRUSTED TYPE_P
UNENCRYPTED UNION UNIQUE UNKNOWN UNLISTEN UNTIL
UNCOMMITTED UNENCRYPTED UNION UNIQUE UNKNOWN UNLISTEN UNTIL
UPDATE USAGE USER USING
VACUUM VALID VALIDATOR VALUES VARCHAR VARYING
@@ -922,7 +922,9 @@ var_value: opt_boolean
{ $$ = makeAConst($1); }
;
iso_level: READ COMMITTED { $$ = "read committed"; }
iso_level: READ UNCOMMITTED { $$ = "read uncommitted"; }
| READ COMMITTED { $$ = "read committed"; }
| REPEATABLE READ { $$ = "repeatable read"; }
| SERIALIZABLE { $$ = "serializable"; }
;
@@ -7407,6 +7409,7 @@ unreserved_keyword:
| REINDEX
| RELATIVE_P
| RENAME
| REPEATABLE
| REPLACE
| RESET
| RESTART
@@ -7445,6 +7448,7 @@ unreserved_keyword:
| TRUNCATE
| TRUSTED
| TYPE_P
| UNCOMMITTED
| UNENCRYPTED
| UNKNOWN
| UNLISTEN

4
src/backend/parser/keywords.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.141 2003/08/04 02:40:01 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.142 2003/11/06 22:08:15 petere Exp $
*
*-------------------------------------------------------------------------
*/
@@ -251,6 +251,7 @@ static const ScanKeyword ScanKeywords[] = {
{"reindex", REINDEX},
{"relative", RELATIVE_P},
{"rename", RENAME},
{"repeatable", REPEATABLE},
{"replace", REPLACE},
{"reset", RESET},
{"restart", RESTART},
@@ -307,6 +308,7 @@ static const ScanKeyword ScanKeywords[] = {
{"truncate", TRUNCATE},
{"trusted", TRUSTED},
{"type", TYPE_P},
{"uncommitted", UNCOMMITTED},
{"unencrypted", UNENCRYPTED},
{"union", UNION},
{"unique", UNIQUE},