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Overview
Comment:Enhance the error message for "foreign key mismatch" to include the names of the child and parent tables. Begin adding test cases for PRAGMA foreign_key_check. Make sure PRAGMA foreign_key_check gets all necessary table locks.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | foreign-key-check
Files: files | file ages | folders
SHA1: 0f9963526c299757ff95c153fb05a67cddb6af28
User & Date: drh 2012-12-17 20:40:39.698
Context
2012-12-17
20:57
Add to the foreign_key_check pragma an extra output column "parent" that contains the name of the parent table for the constraint that failed. (check-in: 97f7f73772 user: drh tags: foreign-key-check)
20:40
Enhance the error message for "foreign key mismatch" to include the names of the child and parent tables. Begin adding test cases for PRAGMA foreign_key_check. Make sure PRAGMA foreign_key_check gets all necessary table locks. (check-in: 0f9963526c user: drh tags: foreign-key-check)
18:43
"PRAGMA foreign_key_check" with no argument checks the foreign keys on all tables. (check-in: 57d47423a6 user: drh tags: foreign-key-check)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/fkey.c.
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        if( i==nCol ) break;      /* pIdx is usable */
      }
    }
  }

  if( !pIdx ){
    if( !pParse->disableTriggers ){
      sqlite3ErrorMsg(pParse, "foreign key mismatch");


    }
    sqlite3DbFree(pParse->db, aiCol);
    return 1;
  }

  *ppIdx = pIdx;
  return 0;








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        if( i==nCol ) break;      /* pIdx is usable */
      }
    }
  }

  if( !pIdx ){
    if( !pParse->disableTriggers ){
      sqlite3ErrorMsg(pParse,
           "foreign key mismatch - \"%w\" referencing \"%w\"",
           pFKey->pFrom->zName, pFKey->zTo);
    }
    sqlite3DbFree(pParse->db, aiCol);
    return 1;
  }

  *ppIdx = pIdx;
  return 0;
︙︙
Changes to src/pragma.c.
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      if( zRight ){
        pTab = sqlite3LocateTable(pParse, 0, zRight, zDb);
        k = 0;
      }else{
        pTab = (Table*)sqliteHashData(k);
        k = sqliteHashNext(k);
      }
      if( pTab->pFKey==0 ) continue;

      if( pTab->nCol+regRow>pParse->nMem ) pParse->nMem = pTab->nCol + regRow;
      sqlite3OpenTable(pParse, 0, iDb, pTab, OP_OpenRead);
      sqlite3VdbeAddOp4(v, OP_String8, 0, regResult, 0, pTab->zName,
                        P4_TRANSIENT);
      for(i=1, pFK=pTab->pFKey; pFK; i++, pFK=pFK->pNextFrom){
        pParent = sqlite3LocateTable(pParse, 0, pFK->zTo, zDb);
        if( pParent==0 ) break;
        pIdx = 0;

        x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, 0);
        if( x==0 ){
          if( pIdx==0 ){
            sqlite3OpenTable(pParse, i, iDb, pParent, OP_OpenRead);
          }else{
            KeyInfo *pKey = sqlite3IndexKeyinfo(pParse, pIdx);
            sqlite3VdbeAddOp3(v, OP_OpenRead, i, pIdx->tnum, iDb);








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      if( zRight ){
        pTab = sqlite3LocateTable(pParse, 0, zRight, zDb);
        k = 0;
      }else{
        pTab = (Table*)sqliteHashData(k);
        k = sqliteHashNext(k);
      }
      if( pTab==0 || pTab->pFKey==0 ) continue;
      sqlite3TableLock(pParse, iDb, pTab->tnum, 0, pTab->zName);
      if( pTab->nCol+regRow>pParse->nMem ) pParse->nMem = pTab->nCol + regRow;
      sqlite3OpenTable(pParse, 0, iDb, pTab, OP_OpenRead);
      sqlite3VdbeAddOp4(v, OP_String8, 0, regResult, 0, pTab->zName,
                        P4_TRANSIENT);
      for(i=1, pFK=pTab->pFKey; pFK; i++, pFK=pFK->pNextFrom){
        pParent = sqlite3LocateTable(pParse, 0, pFK->zTo, zDb);
        if( pParent==0 ) break;
        pIdx = 0;
        sqlite3TableLock(pParse, iDb, pParent->tnum, 0, pParent->zName);
        x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, 0);
        if( x==0 ){
          if( pIdx==0 ){
            sqlite3OpenTable(pParse, i, iDb, pParent, OP_OpenRead);
          }else{
            KeyInfo *pKey = sqlite3IndexKeyinfo(pParse, pIdx);
            sqlite3VdbeAddOp3(v, OP_OpenRead, i, pIdx->tnum, iDb);
︙︙
Changes to test/e_fkey.test.
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  }
} {}
proc test_efkey_57 {tn isError sql} {
  catchsql { DROP TABLE t1 }
  execsql $sql
  do_test e_fkey-18.$tn {
    catchsql { INSERT INTO t2 VALUES(NULL) }
  } [lindex {{0 {}} {1 {foreign key mismatch}}} $isError]

}
test_efkey_57 2 0 { CREATE TABLE t1(x PRIMARY KEY) }
test_efkey_57 3 0 { CREATE TABLE t1(x UNIQUE) }
test_efkey_57 4 0 { CREATE TABLE t1(x); CREATE UNIQUE INDEX t1i ON t1(x) }
test_efkey_57 5 1 { 
  CREATE TABLE t1(x); 
  CREATE UNIQUE INDEX t1i ON t1(x COLLATE nocase);








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  }
} {}
proc test_efkey_57 {tn isError sql} {
  catchsql { DROP TABLE t1 }
  execsql $sql
  do_test e_fkey-18.$tn {
    catchsql { INSERT INTO t2 VALUES(NULL) }
  } [lindex {{0 {}} {/1 {foreign key mismatch - ".*" referencing ".*"}/}} \
     $isError]
}
test_efkey_57 2 0 { CREATE TABLE t1(x PRIMARY KEY) }
test_efkey_57 3 0 { CREATE TABLE t1(x UNIQUE) }
test_efkey_57 4 0 { CREATE TABLE t1(x); CREATE UNIQUE INDEX t1i ON t1(x) }
test_efkey_57 5 1 { 
  CREATE TABLE t1(x); 
  CREATE UNIQUE INDEX t1i ON t1(x COLLATE nocase);
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    INSERT INTO child1 VALUES('xxx', 1);
    INSERT INTO child2 VALUES('xxx', 2);
    INSERT INTO child3 VALUES(3, 4);
  }
} {}
do_test e_fkey-19.2 {
  catchsql { INSERT INTO child4 VALUES('xxx', 5) }
} {1 {foreign key mismatch}}
do_test e_fkey-19.3 {
  catchsql { INSERT INTO child5 VALUES('xxx', 6) }
} {1 {foreign key mismatch}}
do_test e_fkey-19.4 {
  catchsql { INSERT INTO child6 VALUES(2, 3) }
} {1 {foreign key mismatch}}
do_test e_fkey-19.5 {
  catchsql { INSERT INTO child7 VALUES(3) }
} {1 {foreign key mismatch}}

#-------------------------------------------------------------------------
# Test errors in the database schema that are detected while preparing
# DML statements. The error text for these messages always matches 
# either "foreign key mismatch" or "no such table*" (using [string match]).
#
# EVIDENCE-OF: R-45488-08504 If the database schema contains foreign key








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    INSERT INTO child1 VALUES('xxx', 1);
    INSERT INTO child2 VALUES('xxx', 2);
    INSERT INTO child3 VALUES(3, 4);
  }
} {}
do_test e_fkey-19.2 {
  catchsql { INSERT INTO child4 VALUES('xxx', 5) }
} {1 {foreign key mismatch - "child4" referencing "parent"}}
do_test e_fkey-19.3 {
  catchsql { INSERT INTO child5 VALUES('xxx', 6) }
} {1 {foreign key mismatch - "child5" referencing "parent"}}
do_test e_fkey-19.4 {
  catchsql { INSERT INTO child6 VALUES(2, 3) }
} {1 {foreign key mismatch - "child6" referencing "parent"}}
do_test e_fkey-19.5 {
  catchsql { INSERT INTO child7 VALUES(3) }
} {1 {foreign key mismatch - "child7" referencing "parent"}}

#-------------------------------------------------------------------------
# Test errors in the database schema that are detected while preparing
# DML statements. The error text for these messages always matches 
# either "foreign key mismatch" or "no such table*" (using [string match]).
#
# EVIDENCE-OF: R-45488-08504 If the database schema contains foreign key
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    CREATE TABLE p7(a, b, PRIMARY KEY(a, b));
    CREATE TABLE c7(c, d REFERENCES p7);
  }
} {}

foreach {tn tbl ptbl err} {
  2 c1 {} "no such table: main.nosuchtable"
  3 c2 p2 "foreign key mismatch"
  4 c3 p3 "foreign key mismatch"
  5 c4 p4 "foreign key mismatch"
  6 c5 p5 "foreign key mismatch"
  7 c6 p6 "foreign key mismatch"
  8 c7 p7 "foreign key mismatch"
} {
  do_test e_fkey-20.$tn.1 {
    catchsql "INSERT INTO $tbl VALUES('a', 'b')"
  } [list 1 $err]
  do_test e_fkey-20.$tn.2 {
    catchsql "UPDATE $tbl SET c = ?, d = ?"
  } [list 1 $err]








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    CREATE TABLE p7(a, b, PRIMARY KEY(a, b));
    CREATE TABLE c7(c, d REFERENCES p7);
  }
} {}

foreach {tn tbl ptbl err} {
  2 c1 {} "no such table: main.nosuchtable"
  3 c2 p2 "foreign key mismatch - \"c2\" referencing \"p2\""
  4 c3 p3 "foreign key mismatch - \"c3\" referencing \"p3\""
  5 c4 p4 "foreign key mismatch - \"c4\" referencing \"p4\""
  6 c5 p5 "foreign key mismatch - \"c5\" referencing \"p5\""
  7 c6 p6 "foreign key mismatch - \"c6\" referencing \"p6\""
  8 c7 p7 "foreign key mismatch - \"c7\" referencing \"p7\""
} {
  do_test e_fkey-20.$tn.1 {
    catchsql "INSERT INTO $tbl VALUES('a', 'b')"
  } [list 1 $err]
  do_test e_fkey-20.$tn.2 {
    catchsql "UPDATE $tbl SET c = ?, d = ?"
  } [list 1 $err]
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  execsql {
    INSERT INTO parent2 VALUES('I', 'II');
    INSERT INTO child8 VALUES('I', 'II');
  }
} {}
do_test e_fkey-21.3 {
  catchsql { INSERT INTO child9 VALUES('I') }
} {1 {foreign key mismatch}}
do_test e_fkey-21.4 {
  catchsql { INSERT INTO child9 VALUES('II') }
} {1 {foreign key mismatch}}
do_test e_fkey-21.5 {
  catchsql { INSERT INTO child9 VALUES(NULL) }
} {1 {foreign key mismatch}}
do_test e_fkey-21.6 {
  catchsql { INSERT INTO child10 VALUES('I', 'II', 'III') }
} {1 {foreign key mismatch}}
do_test e_fkey-21.7 {
  catchsql { INSERT INTO child10 VALUES(1, 2, 3) }
} {1 {foreign key mismatch}}
do_test e_fkey-21.8 {
  catchsql { INSERT INTO child10 VALUES(NULL, NULL, NULL) }
} {1 {foreign key mismatch}}

#-------------------------------------------------------------------------
# Test errors that are reported when creating the child table. 
# Specifically:
#
#   * different number of child and parent key columns, and
#   * child columns that do not exist.








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  execsql {
    INSERT INTO parent2 VALUES('I', 'II');
    INSERT INTO child8 VALUES('I', 'II');
  }
} {}
do_test e_fkey-21.3 {
  catchsql { INSERT INTO child9 VALUES('I') }
} {1 {foreign key mismatch - "child9" referencing "parent2"}}
do_test e_fkey-21.4 {
  catchsql { INSERT INTO child9 VALUES('II') }
} {1 {foreign key mismatch - "child9" referencing "parent2"}}
do_test e_fkey-21.5 {
  catchsql { INSERT INTO child9 VALUES(NULL) }
} {1 {foreign key mismatch - "child9" referencing "parent2"}}
do_test e_fkey-21.6 {
  catchsql { INSERT INTO child10 VALUES('I', 'II', 'III') }
} {1 {foreign key mismatch - "child10" referencing "parent2"}}
do_test e_fkey-21.7 {
  catchsql { INSERT INTO child10 VALUES(1, 2, 3) }
} {1 {foreign key mismatch - "child10" referencing "parent2"}}
do_test e_fkey-21.8 {
  catchsql { INSERT INTO child10 VALUES(NULL, NULL, NULL) }
} {1 {foreign key mismatch - "child10" referencing "parent2"}}

#-------------------------------------------------------------------------
# Test errors that are reported when creating the child table. 
# Specifically:
#
#   * different number of child and parent key columns, and
#   * child columns that do not exist.
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do_test e_fkey-28.8 {
  drop_all_tables
  execsql {
    CREATE TABLE p(x PRIMARY KEY);
    CREATE TABLE c(a, b, FOREIGN KEY(a,b) REFERENCES p);
  }
  catchsql {DELETE FROM p}
} {1 {foreign key mismatch}}
do_test e_fkey-28.9 {
  drop_all_tables
  execsql {
    CREATE TABLE p(x, y, PRIMARY KEY(x,y));
    CREATE TABLE c(a REFERENCES p);
  }
  catchsql {DELETE FROM p}
} {1 {foreign key mismatch}}


#-------------------------------------------------------------------------
# EVIDENCE-OF: R-24676-09859
#
# Test the example schema in the "Composite Foreign Key Constraints" 
# section.








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do_test e_fkey-28.8 {
  drop_all_tables
  execsql {
    CREATE TABLE p(x PRIMARY KEY);
    CREATE TABLE c(a, b, FOREIGN KEY(a,b) REFERENCES p);
  }
  catchsql {DELETE FROM p}
} {1 {foreign key mismatch - "c" referencing "p"}}
do_test e_fkey-28.9 {
  drop_all_tables
  execsql {
    CREATE TABLE p(x, y, PRIMARY KEY(x,y));
    CREATE TABLE c(a REFERENCES p);
  }
  catchsql {DELETE FROM p}
} {1 {foreign key mismatch - "c" referencing "p"}}


#-------------------------------------------------------------------------
# EVIDENCE-OF: R-24676-09859
#
# Test the example schema in the "Composite Foreign Key Constraints" 
# section.
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      SELECT * FROM c3;
    ROLLBACK;
  }
} {{} 2}
do_test e_fkey-60.4 {
  execsql { CREATE TABLE nosuchtable(x PRIMARY KEY) }
  catchsql { DELETE FROM p }
} {1 {foreign key mismatch}}
do_test e_fkey-60.5 {
  execsql { DROP TABLE c1 }
  catchsql { DELETE FROM p }
} {1 {foreign key mismatch}}
do_test e_fkey-60.6 {
  execsql { DROP TABLE c2 }
  execsql { DELETE FROM p }
} {}

#-------------------------------------------------------------------------
# Test that the special behaviours of ALTER and DROP TABLE are only








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      SELECT * FROM c3;
    ROLLBACK;
  }
} {{} 2}
do_test e_fkey-60.4 {
  execsql { CREATE TABLE nosuchtable(x PRIMARY KEY) }
  catchsql { DELETE FROM p }
} {1 {foreign key mismatch - "c2" referencing "p"}}
do_test e_fkey-60.5 {
  execsql { DROP TABLE c1 }
  catchsql { DELETE FROM p }
} {1 {foreign key mismatch - "c2" referencing "p"}}
do_test e_fkey-60.6 {
  execsql { DROP TABLE c2 }
  execsql { DELETE FROM p }
} {}

#-------------------------------------------------------------------------
# Test that the special behaviours of ALTER and DROP TABLE are only
︙︙
Changes to test/fkey2.test.
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  4.13 "UPDATE t7 SET b = 1"              {0 {}}
  4.14 "INSERT INTO t8 VALUES('a', 'b')"  {1 {foreign key constraint failed}}
  4.15 "UPDATE t7 SET b = 5"              {1 {foreign key constraint failed}}
  4.16 "UPDATE t7 SET rowid = 5"          {1 {foreign key constraint failed}}
  4.17 "UPDATE t7 SET a = 10"             {0 {}}

  5.1  "INSERT INTO t9 VALUES(1, 3)"      {1 {no such table: main.nosuchtable}}
  5.2  "INSERT INTO t10 VALUES(1, 3)"     {1 {foreign key mismatch}}

}

do_test fkey2-1.1.0 {
  execsql [string map {/D/ {}} $FkeySimpleSchema]
} {}
foreach {tn zSql res} $FkeySimpleTests {
  do_test fkey2-1.1.$tn { catchsql $zSql } $res






}
drop_all_tables

do_test fkey2-1.2.0 {
  execsql [string map {/D/ {DEFERRABLE INITIALLY DEFERRED}} $FkeySimpleSchema]
} {}
foreach {tn zSql res} $FkeySimpleTests {
  do_test fkey2-1.2.$tn { catchsql $zSql } $res






}
drop_all_tables

do_test fkey2-1.3.0 {
  execsql [string map {/D/ {}} $FkeySimpleSchema]
  execsql { PRAGMA count_changes = 1 }
} {}
foreach {tn zSql res} $FkeySimpleTests {
  if {$res == "0 {}"} { set res {0 1} }
  do_test fkey2-1.3.$tn { catchsql $zSql } $res






}
execsql { PRAGMA count_changes = 0 }
drop_all_tables

do_test fkey2-1.4.0 {
  execsql [string map {/D/ {}} $FkeySimpleSchema]
  execsql { PRAGMA count_changes = 1 }








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  4.13 "UPDATE t7 SET b = 1"              {0 {}}
  4.14 "INSERT INTO t8 VALUES('a', 'b')"  {1 {foreign key constraint failed}}
  4.15 "UPDATE t7 SET b = 5"              {1 {foreign key constraint failed}}
  4.16 "UPDATE t7 SET rowid = 5"          {1 {foreign key constraint failed}}
  4.17 "UPDATE t7 SET a = 10"             {0 {}}

  5.1  "INSERT INTO t9 VALUES(1, 3)"      {1 {no such table: main.nosuchtable}}
  5.2  "INSERT INTO t10 VALUES(1, 3)"  
                            {1 {foreign key mismatch - "t10" referencing "t9"}}
}

do_test fkey2-1.1.0 {
  execsql [string map {/D/ {}} $FkeySimpleSchema]
} {}
foreach {tn zSql res} $FkeySimpleTests {
  do_test fkey2-1.1.$tn.1 { catchsql $zSql } $res
  do_test fkey2-1.1.$tn.2 { execsql {PRAGMA foreign_key_check(t1)} } {}
  do_test fkey2-1.1.$tn.3 { execsql {PRAGMA foreign_key_check(t2)} } {}
  do_test fkey2-1.1.$tn.4 { execsql {PRAGMA foreign_key_check(t3)} } {}
  do_test fkey2-1.1.$tn.5 { execsql {PRAGMA foreign_key_check(t4)} } {}
  do_test fkey2-1.1.$tn.6 { execsql {PRAGMA foreign_key_check(t7)} } {}
  do_test fkey2-1.1.$tn.7 { execsql {PRAGMA foreign_key_check(t8)} } {}
}
drop_all_tables

do_test fkey2-1.2.0 {
  execsql [string map {/D/ {DEFERRABLE INITIALLY DEFERRED}} $FkeySimpleSchema]
} {}
foreach {tn zSql res} $FkeySimpleTests {
  do_test fkey2-1.2.$tn { catchsql $zSql } $res
  do_test fkey2-1.2.$tn.2 { execsql {PRAGMA foreign_key_check(t1)} } {}
  do_test fkey2-1.2.$tn.3 { execsql {PRAGMA foreign_key_check(t2)} } {}
  do_test fkey2-1.2.$tn.4 { execsql {PRAGMA foreign_key_check(t3)} } {}
  do_test fkey2-1.2.$tn.5 { execsql {PRAGMA foreign_key_check(t4)} } {}
  do_test fkey2-1.2.$tn.6 { execsql {PRAGMA foreign_key_check(t7)} } {}
  do_test fkey2-1.2.$tn.7 { execsql {PRAGMA foreign_key_check(t8)} } {}
}
drop_all_tables

do_test fkey2-1.3.0 {
  execsql [string map {/D/ {}} $FkeySimpleSchema]
  execsql { PRAGMA count_changes = 1 }
} {}
foreach {tn zSql res} $FkeySimpleTests {
  if {$res == "0 {}"} { set res {0 1} }
  do_test fkey2-1.3.$tn { catchsql $zSql } $res
  do_test fkey2-1.3.$tn.2 { execsql {PRAGMA foreign_key_check(t1)} } {}
  do_test fkey2-1.3.$tn.3 { execsql {PRAGMA foreign_key_check(t2)} } {}
  do_test fkey2-1.3.$tn.4 { execsql {PRAGMA foreign_key_check(t3)} } {}
  do_test fkey2-1.3.$tn.5 { execsql {PRAGMA foreign_key_check(t4)} } {}
  do_test fkey2-1.3.$tn.6 { execsql {PRAGMA foreign_key_check(t7)} } {}
  do_test fkey2-1.3.$tn.7 { execsql {PRAGMA foreign_key_check(t8)} } {}
}
execsql { PRAGMA count_changes = 0 }
drop_all_tables

do_test fkey2-1.4.0 {
  execsql [string map {/D/ {}} $FkeySimpleSchema]
  execsql { PRAGMA count_changes = 1 }
︙︙
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691

  CREATE UNIQUE INDEX i ON p(a COLLATE nocase);
  CREATE TABLE c(x REFERENCES p(a));
}] {
  drop_all_tables
  do_test fkey2-10.1.[incr tn] {
    execsql $zSql
    catchsql { INSERT INTO c DEFAULT VALUES }
  } {1 {foreign key mismatch}}
}

# "rowid" cannot be used as part of a child or parent key definition 
# unless it happens to be the name of an explicitly declared column.
#
do_test fkey2-10.2.1 {
  drop_all_tables








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696
697
698
699
700
701
702
703
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705
706
707
708
709
710

  CREATE UNIQUE INDEX i ON p(a COLLATE nocase);
  CREATE TABLE c(x REFERENCES p(a));
}] {
  drop_all_tables
  do_test fkey2-10.1.[incr tn] {
    execsql $zSql
    catchsql { INSERT INTO c DEFAULT VALUES }
  } {/1 {foreign key mismatch - "c" referencing "."}/}
}

# "rowid" cannot be used as part of a child or parent key definition 
# unless it happens to be the name of an explicitly declared column.
#
do_test fkey2-10.2.1 {
  drop_all_tables
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705
706
707
708
709
710
711
712
713
714
715
716
717
718
719

  drop_all_tables
  catchsql {
    CREATE TABLE t1(a, b);
    CREATE TABLE t2(c, d, FOREIGN KEY(c) REFERENCES t1(rowid));
    INSERT INTO t1(rowid, a, b) VALUES(1, 1, 1);
    INSERT INTO t2 VALUES(1, 1);
  }
} {1 {foreign key mismatch}}
do_test fkey2-10.2.2 {
  drop_all_tables
  catchsql {
    CREATE TABLE t1(rowid PRIMARY KEY, b);
    CREATE TABLE t2(c, d, FOREIGN KEY(c) REFERENCES t1(rowid));
    INSERT INTO t1(rowid, b) VALUES(1, 1);
    INSERT INTO t2 VALUES(1, 1);








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724
725
726
727
728
729
730
731
732
733
734
735
736
737
738

  drop_all_tables
  catchsql {
    CREATE TABLE t1(a, b);
    CREATE TABLE t2(c, d, FOREIGN KEY(c) REFERENCES t1(rowid));
    INSERT INTO t1(rowid, a, b) VALUES(1, 1, 1);
    INSERT INTO t2 VALUES(1, 1);
  }
} {1 {foreign key mismatch - "t2" referencing "t1"}}
do_test fkey2-10.2.2 {
  drop_all_tables
  catchsql {
    CREATE TABLE t1(rowid PRIMARY KEY, b);
    CREATE TABLE t2(c, d, FOREIGN KEY(c) REFERENCES t1(rowid));
    INSERT INTO t1(rowid, b) VALUES(1, 1);
    INSERT INTO t2 VALUES(1, 1);
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1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233

} {}
do_test fkey-2.14.3.8 {
  execsql {
    CREATE TABLE pp(x, y, PRIMARY KEY(x, y));
    CREATE TABLE cc(a, b, FOREIGN KEY(a, b) REFERENCES pp(x, z));
  }
  catchsql { INSERT INTO cc VALUES(1, 2) }
} {1 {foreign key mismatch}}
do_test fkey-2.14.3.9 {
  execsql { DROP TABLE cc }
} {}
do_test fkey-2.14.3.10 {
  execsql {
    CREATE TABLE cc(a, b, 
      FOREIGN KEY(a, b) REFERENCES pp DEFERRABLE INITIALLY DEFERRED








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1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252

} {}
do_test fkey-2.14.3.8 {
  execsql {
    CREATE TABLE pp(x, y, PRIMARY KEY(x, y));
    CREATE TABLE cc(a, b, FOREIGN KEY(a, b) REFERENCES pp(x, z));
  }
  catchsql { INSERT INTO cc VALUES(1, 2) }
} {1 {foreign key mismatch - "cc" referencing "pp"}}
do_test fkey-2.14.3.9 {
  execsql { DROP TABLE cc }
} {}
do_test fkey-2.14.3.10 {
  execsql {
    CREATE TABLE cc(a, b, 
      FOREIGN KEY(a, b) REFERENCES pp DEFERRABLE INITIALLY DEFERRED
︙︙