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Overview
Comment:Fix a bug in sqldiff causing it to confuse blobs zero bytes in size with NULL values.
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Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 264e9c75875796cad773d39b775d4604546bc57a
User & Date: dan 2016-09-12 14:23:51.714
Context
2016-09-14
18:56
Update comments used to generate API documentation to include the new "[dateof:3.X.Y]" notation for dates of release where appropriate. No changes to code. (check-in: 55f7f8ee5b user: drh tags: trunk)
2016-09-12
14:23
Fix a bug in sqldiff causing it to confuse blobs zero bytes in size with NULL values. (check-in: 264e9c7587 user: dan tags: trunk)
13:32
Add missing "finish_test" command to vacuum5.test. (check-in: 02f40c3b93 user: dan tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to ext/rbu/rbudiff.test.
︙︙
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    CREATE TABLE x1(a, b, c, PRIMARY KEY(a, b, c));
    INSERT INTO x1 VALUES('u', 'v', NULL);
    INSERT INTO x1 VALUES('x', 'y', 'z');
    INSERT INTO x1 VALUES('a', NULL, 'b');
  } {
    INSERT INTO x1 VALUES('a', 'b', 'c');
  }










} {
  catch { db close }

  forcedelete test.db test.db2
  sqlite3 db test.db
  db eval "$init"








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    CREATE TABLE x1(a, b, c, PRIMARY KEY(a, b, c));
    INSERT INTO x1 VALUES('u', 'v', NULL);
    INSERT INTO x1 VALUES('x', 'y', 'z');
    INSERT INTO x1 VALUES('a', NULL, 'b');
  } {
    INSERT INTO x1 VALUES('a', 'b', 'c');
  }

  5 {
    CREATE TABLE t1(a PRIMARY KEY, b);
    INSERT INTO t1 VALUES(1, NULL);
    INSERT INTO t1 VALUES(2, X'');
  } {
    UPDATE t1 SET b = X'' WHERE a=1;
    UPDATE t1 SET b = NULL WHERE a=2;
  }

} {
  catch { db close }

  forcedelete test.db test.db2
  sqlite3 db test.db
  db eval "$init"
︙︙
Changes to tool/sqldiff.c.
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        int i;
        fprintf(out, "x'");
        for(i=0; i<nBlob; i++){
          fprintf(out, "%02x", zBlob[i]);
        }
        fprintf(out, "'");
      }else{

        fprintf(out, "NULL");
      }
      break;
    }
    case SQLITE_TEXT: {
      const unsigned char *zArg = sqlite3_value_text(X);
      int i, j;









>
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        int i;
        fprintf(out, "x'");
        for(i=0; i<nBlob; i++){
          fprintf(out, "%02x", zBlob[i]);
        }
        fprintf(out, "'");
      }else{
        /* Could be an OOM, could be a zero-byte blob */
        fprintf(out, "X''");
      }
      break;
    }
    case SQLITE_TEXT: {
      const unsigned char *zArg = sqlite3_value_text(X);
      int i, j;
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