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Overview
Comment:Parser bug fix: Make sure the table constraints allowed by prior releases can still be parsed, even if they are technically not allowed by the syntax diagram.
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SHA1: e536ac041815b118c461ceee798f9b7283269f58
User & Date: drh 2012-05-12 18:29:53
References
2012-08-07
01:37
Parser bug fix: Make sure the table constraints allowed by prior releases can still be parsed, even if they are technically not allowed by the syntax diagram. This is a cherry-pick of [a1c014d8a87c8940b3], [38bf90af1ede6ee64e], and [e536ac041815b118c4]. Leaf check-in: 28aed847 user: drh tags: apple-osx-ml
Context
2012-05-12
22:36
Fix a typo in a comment which is used to generate documentation. No changes to code. check-in: af525b5d user: drh tags: trunk
18:29
Parser bug fix: Make sure the table constraints allowed by prior releases can still be parsed, even if they are technically not allowed by the syntax diagram. check-in: e536ac04 user: drh tags: trunk
05:30
Before running each test script, make sure the FTS enhanced query syntax is disabled. check-in: f84d87bc user: dan tags: trunk
Changes
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Changes to src/parse.y.

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defer_subclause(A) ::= DEFERRABLE init_deferred_pred_opt(X).      {A = X;}
%type init_deferred_pred_opt {int}
init_deferred_pred_opt(A) ::= .                       {A = 0;}
init_deferred_pred_opt(A) ::= INITIALLY DEFERRED.     {A = 1;}
init_deferred_pred_opt(A) ::= INITIALLY IMMEDIATE.    {A = 0;}

conslist_opt(A) ::= .                         {A.n = 0; A.z = 0;}
conslist_opt(A) ::= COMMA(X) conslist cname.  {A = X;}
conslist ::= conslist COMMA cname tcons.
conslist ::= conslist cname tcons.
conslist ::= cname tcons.
cname ::= .                      {pParse->constraintName.n = 0;}

cname ::= CONSTRAINT nm(X).      {pParse->constraintName = X;}
tcons ::= PRIMARY KEY LP idxlist(X) autoinc(I) RP onconf(R).
                                 {sqlite3AddPrimaryKey(pParse,X,R,I,0);}
tcons ::= UNIQUE LP idxlist(X) RP onconf(R).
                                 {sqlite3CreateIndex(pParse,0,0,0,X,R,0,0,0,0);}
tcons ::= CHECK LP expr(E) RP onconf.
                                 {sqlite3AddCheckConstraint(pParse,E.pExpr);}
tcons ::= FOREIGN KEY LP idxlist(FA) RP







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defer_subclause(A) ::= DEFERRABLE init_deferred_pred_opt(X).      {A = X;}
%type init_deferred_pred_opt {int}
init_deferred_pred_opt(A) ::= .                       {A = 0;}
init_deferred_pred_opt(A) ::= INITIALLY DEFERRED.     {A = 1;}
init_deferred_pred_opt(A) ::= INITIALLY IMMEDIATE.    {A = 0;}

conslist_opt(A) ::= .                         {A.n = 0; A.z = 0;}
conslist_opt(A) ::= COMMA(X) conslist.        {A = X;}

conslist ::= conslist tconscomma tcons.
conslist ::= tcons.
tconscomma ::= COMMA.            {pParse->constraintName.n = 0;}
tconscomma ::= .
tcons ::= CONSTRAINT nm(X).      {pParse->constraintName = X;}
tcons ::= PRIMARY KEY LP idxlist(X) autoinc(I) RP onconf(R).
                                 {sqlite3AddPrimaryKey(pParse,X,R,I,0);}
tcons ::= UNIQUE LP idxlist(X) RP onconf(R).
                                 {sqlite3CreateIndex(pParse,0,0,0,X,R,0,0,0,0);}
tcons ::= CHECK LP expr(E) RP onconf.
                                 {sqlite3AddCheckConstraint(pParse,E.pExpr);}
tcons ::= FOREIGN KEY LP idxlist(FA) RP

Changes to test/schema5.test.

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    INSERT INTO t1 VALUES(1,2,3);
    SELECT * FROM t1;
  }
} {1 2 3}
do_test schema5-1.4 {
  catchsql {INSERT INTO t1 VALUES(10,11,12);}
} {1 {constraint two failed}}



















    

finish_test







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    INSERT INTO t1 VALUES(1,2,3);
    SELECT * FROM t1;
  }
} {1 2 3}
do_test schema5-1.4 {
  catchsql {INSERT INTO t1 VALUES(10,11,12);}
} {1 {constraint two failed}}
do_test schema5-1.5 {
  db eval {
    DROP TABLE t1;
    CREATE TABLE t1(a,b,c,
       UNIQUE(a) CONSTRAINT one,
       PRIMARY KEY(b,c) CONSTRAINT two
    );
    INSERT INTO t1 VALUES(1,2,3);
  }
} {}
do_test schema5-1.6 {
  catchsql {INSERT INTO t1 VALUES(1,3,4)}
} {1 {column a is not unique}}
do_test schema5-1.7 {
  catchsql {INSERT INTO t1 VALUES(10,2,3)}
} {1 {columns b, c are not unique}}



    

finish_test