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Overview
Comment:Fix RBU handling of partial indexes with comments embedded in their CREATE INDEX statements.
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SHA3-256: e1ccf211aa975a6688a27f7dc4cea80784ed8dcfe1950b2fa6eb0a3cb938838a
User & Date: dan 2019-07-26 16:16:31.199
Context
2019-07-26
20:33
Update RBU so that it supports indexes on expressions. (check-in: 6bfa44da22 user: dan tags: trunk)
16:16
Fix RBU handling of partial indexes with comments embedded in their CREATE INDEX statements. (check-in: e1ccf211aa user: dan tags: trunk)
2019-07-25
19:29
Fix a potential buffer overread in fts5 triggered by a corrupt database record. (check-in: 16472112b6 user: dan tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to ext/rbu/rbupartial.test.
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    CREATE INDEX i1b3 ON t1(%B%) WHERE %C%>=5;

    CREATE INDEX i1c  ON t1(%C%);
    CREATE INDEX i1c2 ON t1(%C%) WHERE %C% IS NULL;
    CREATE INDEX i1c3 ON t1(%C%) WHERE %C% IS NOT NULL;

    CREATE INDEX i1c4 ON t1(%C%) WHERE %D% < 'd';









  }

  do_execsql_test $tn.1.1 {
    INSERT INTO t1 VALUES(0, NULL, NULL, 'a');
    INSERT INTO t1 VALUES(1, 2, 3, 'b');
    INSERT INTO t1 VALUES(4, 5, 6, 'c');
    INSERT INTO t1 VALUES(7, 8, 9, 'd');







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    CREATE INDEX i1b3 ON t1(%B%) WHERE %C%>=5;

    CREATE INDEX i1c  ON t1(%C%);
    CREATE INDEX i1c2 ON t1(%C%) WHERE %C% IS NULL;
    CREATE INDEX i1c3 ON t1(%C%) WHERE %C% IS NOT NULL;

    CREATE INDEX i1c4 ON t1(%C%) WHERE %D% < 'd';
    CREATE INDEX i1c5 ON t1(
        %C%                   -- for (c = ... expressions
    ) WHERE %D% < 'd';
    CREATE INDEX i1c6 ON t1(
        %C% /* Again, for (c=... expr */, %D%
    ) WHERE %D% < 'd';

    CREATE INDEX i1c7 ON t1(
        %C% /* As before, for (c=... "expr */) WHERE %D% < 'd';
  }

  do_execsql_test $tn.1.1 {
    INSERT INTO t1 VALUES(0, NULL, NULL, 'a');
    INSERT INTO t1 VALUES(1, 2, 3, 'b');
    INSERT INTO t1 VALUES(4, 5, 6, 'c');
    INSERT INTO t1 VALUES(7, 8, 9, 'd');
Changes to ext/rbu/sqlite3rbu.c.
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                i++;
              }
            }
          }else if( c=='[' ){
            for(i++; 1; i++){
              if( zSql[i]==']' ) break;
            }







          }
        }
        if( zSql[i] ){
          zRet = rbuStrndup(&zSql[i], &rc);
        }
      }
    }







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                i++;
              }
            }
          }else if( c=='[' ){
            for(i++; 1; i++){
              if( zSql[i]==']' ) break;
            }
          }else if( c=='-' && zSql[i+1]=='-' ){
            for(i=i+2; zSql[i] && zSql[i]!='\n'; i++);
            if( zSql[i]=='\0' ) break;
          }else if( c=='/' && zSql[i+1]=='*' ){
            for(i=i+2; zSql[i] && (zSql[i]!='*' || zSql[i+1]!='/'); i++);
            if( zSql[i]=='\0' ) break;
            i++;
          }
        }
        if( zSql[i] ){
          zRet = rbuStrndup(&zSql[i], &rc);
        }
      }
    }