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Overview
Comment:Fix a problem in the legacy genfkey code to do with column names that require quoting.
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SHA1: 273ccbf18af5191807678a0a0c09cda82408b29c
User & Date: dan 2009-10-08 13:42:28.000
Context
2009-10-08
17:42
Add test cases to test file "e_fkey.test". (check-in: 23e0f61a4f user: dan tags: trunk)
13:42
Fix a problem in the legacy genfkey code to do with column names that require quoting. (check-in: 273ccbf18a user: dan tags: trunk)
11:57
Add tests to test/e_fkey.test. (check-in: 533703d78a user: dan tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/shell.c.
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    ", '/on_update/', on_update"

    ", '/name/',   'genfkey' || min(rowid)"
    ", '/tbl/',    dq(from_tbl)"
    ", '/ref/',    dq(to_tbl)"
    ", '/key_notnull/', sj('new.' || dq(from_col) || ' IS NOT NULL', ' AND ')"

    ", '/fkey_list/', sj(to_col, ', ')"
    ", '/rkey_list/', sj(from_col, ', ')"

    ", '/cond1/',  sj(multireplace('new./from/ == /to/'"
                   ", '/from/', dq(from_col)"
                   ", '/to/',   dq(to_col)"
                   "), ' AND ')"
    ", '/cond2/',  sj(multireplace('old./to/ == /from/'"
                   ", '/from/', dq(from_col)"
                   ", '/to/',   dq(to_col)"
                   "), ' AND ')"

    ", '/update_action/', CASE on_update "
      "WHEN 'SET NULL' THEN "
        "multireplace('UPDATE /tbl/ SET /setlist/ WHERE /where/;' "
        ", '/setlist/', sj(from_col||' = NULL',', ')"
        ", '/tbl/',     dq(from_tbl)"
        ", '/where/',   sj(from_col||' = old.'||dq(to_col),' AND ')"
        ")"
      "WHEN 'CASCADE' THEN "
        "multireplace('UPDATE /tbl/ SET /setlist/ WHERE /where/;' "
        ", '/setlist/', sj(dq(from_col)||' = new.'||dq(to_col),', ')"
        ", '/tbl/',     dq(from_tbl)"
        ", '/where/',   sj(dq(from_col)||' = old.'||dq(to_col),' AND ')"
        ")"
      "ELSE "
      "  'SELECT RAISE(ABORT, ''constraint failed'');'"
      "END "

    ", '/delete_action/', CASE on_delete "
      "WHEN 'SET NULL' THEN "
        "multireplace('UPDATE /tbl/ SET /setlist/ WHERE /where/;' "
        ", '/setlist/', sj(from_col||' = NULL',', ')"
        ", '/tbl/',     dq(from_tbl)"
        ", '/where/',   sj(from_col||' = old.'||dq(to_col),' AND ')"
        ")"
      "WHEN 'CASCADE' THEN "
        "multireplace('DELETE FROM /tbl/ WHERE /where/;' "
        ", '/tbl/',     dq(from_tbl)"
        ", '/where/',   sj(dq(from_col)||' = old.'||dq(to_col),' AND ')"
        ")"
      "ELSE "








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    ", '/on_update/', on_update"

    ", '/name/',   'genfkey' || min(rowid)"
    ", '/tbl/',    dq(from_tbl)"
    ", '/ref/',    dq(to_tbl)"
    ", '/key_notnull/', sj('new.' || dq(from_col) || ' IS NOT NULL', ' AND ')"

    ", '/fkey_list/', sj(dq(to_col), ', ')"
    ", '/rkey_list/', sj(dq(from_col), ', ')"

    ", '/cond1/',  sj(multireplace('new./from/ == /to/'"
                   ", '/from/', dq(from_col)"
                   ", '/to/',   dq(to_col)"
                   "), ' AND ')"
    ", '/cond2/',  sj(multireplace('old./to/ == /from/'"
                   ", '/from/', dq(from_col)"
                   ", '/to/',   dq(to_col)"
                   "), ' AND ')"

    ", '/update_action/', CASE on_update "
      "WHEN 'SET NULL' THEN "
        "multireplace('UPDATE /tbl/ SET /setlist/ WHERE /where/;' "
        ", '/setlist/', sj(dq(from_col)||' = NULL',', ')"
        ", '/tbl/',     dq(from_tbl)"
        ", '/where/',   sj(dq(from_col)||' = old.'||dq(to_col),' AND ')"
        ")"
      "WHEN 'CASCADE' THEN "
        "multireplace('UPDATE /tbl/ SET /setlist/ WHERE /where/;' "
        ", '/setlist/', sj(dq(from_col)||' = new.'||dq(to_col),', ')"
        ", '/tbl/',     dq(from_tbl)"
        ", '/where/',   sj(dq(from_col)||' = old.'||dq(to_col),' AND ')"
        ")"
      "ELSE "
      "  'SELECT RAISE(ABORT, ''constraint failed'');'"
      "END "

    ", '/delete_action/', CASE on_delete "
      "WHEN 'SET NULL' THEN "
        "multireplace('UPDATE /tbl/ SET /setlist/ WHERE /where/;' "
        ", '/setlist/', sj(dq(from_col)||' = NULL',', ')"
        ", '/tbl/',     dq(from_tbl)"
        ", '/where/',   sj(dq(from_col)||' = old.'||dq(to_col),' AND ')"
        ")"
      "WHEN 'CASCADE' THEN "
        "multireplace('DELETE FROM /tbl/ WHERE /where/;' "
        ", '/tbl/',     dq(from_tbl)"
        ", '/where/',   sj(dq(from_col)||' = old.'||dq(to_col),' AND ')"
        ")"
      "ELSE "
︙︙
Changes to tool/genfkey.test.
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} {1 {constraint failed}}
do_test genfkey-5.5 {
  catchsql { 
    INSERT INTO "t.3" VALUES(1);
    INSERT INTO t13 VALUES(1);
  }
} {0 {}}





































































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} {1 {constraint failed}}
do_test genfkey-5.5 {
  catchsql { 
    INSERT INTO "t.3" VALUES(1);
    INSERT INTO t13 VALUES(1);
  }
} {0 {}}

# Test also column names that require quoting.
do_test genfkey-6.1 {
  execsql {
    DROP TABLE "t.3";
    DROP TABLE t13;
    CREATE TABLE p(
      "a.1 first", "b.2 second", 
      UNIQUE("a.1 first", "b.2 second")
    );
    CREATE TABLE c(
      "c.1 I", "d.2 II", 
        FOREIGN KEY("c.1 I", "d.2 II") 
        REFERENCES p("a.1 first", "b.2 second")
        ON UPDATE CASCADE ON DELETE CASCADE
    );
  }
} {}
do_test genfkey-6.2 {
  set rc [catch {exec ./sqlite3 test.db .genfkey} msg]
} {0}
do_test genfkey-6.3 {
  execsql $msg
  execsql {
    INSERT INTO p VALUES('A', 'B');
    INSERT INTO p VALUES('C', 'D');
    INSERT INTO c VALUES('A', 'B');
    INSERT INTO c VALUES('C', 'D');
    UPDATE p SET "a.1 first" = 'X' WHERE rowid = 1;
    DELETE FROM p WHERE rowid = 2;
  }
  execsql { SELECT * FROM c }
} {X B}

do_test genfkey-6.4 {
  execsql {
    DROP TABLE p;
    DROP TABLE c;
    CREATE TABLE parent("a.1", PRIMARY KEY("a.1"));
    CREATE TABLE child("b.2", FOREIGN KEY("b.2") REFERENCES parent("a.1"));
  }
  set rc [catch {exec ./sqlite3 test.db .genfkey} msg]
} {0}
do_test genfkey-6.5 {
  execsql $msg
  execsql {
    INSERT INTO parent VALUES(1);
    INSERT INTO child VALUES(1);
  }
  catchsql { UPDATE parent SET "a.1"=0 }
} {1 {constraint failed}}
do_test genfkey-6.6 {
  catchsql { UPDATE child SET "b.2"=7 }
} {1 {constraint failed}}
do_test genfkey-6.7 {
  execsql {
    SELECT * FROM parent;
    SELECT * FROM child;
  }
} {1 1}