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Overview
| Comment: | Add an undocumented and possibly ephemeral ".breakpoint" command to the command-line shell, to call a no-op routine on which it is convenient to set a symbolic debugger breakpoint. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
8e2363ad76446e863d03ead91fd621e5 |
| User & Date: | drh 2012-04-17 09:09:33 |
Context
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2012-04-17
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| 16:38 | Improved handling of aggregate subqueries within an aggregate query. (check-in: 430bb59d user: drh tags: trunk) | |
| 09:09 | Add an undocumented and possibly ephemeral ".breakpoint" command to the command-line shell, to call a no-op routine on which it is convenient to set a symbolic debugger breakpoint. (check-in: 8e2363ad user: drh tags: trunk) | |
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2012-04-16
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| 17:22 | Fix a bug in the command-line shell logic that attempts to continue with a ".dump" even after encountering database corruption. (check-in: 020b5e90 user: drh tags: trunk) | |
Changes
Changes to src/shell.c.
1557 1557 /* 1558 1558 ** A routine for handling output from sqlite3_trace(). 1559 1559 */ 1560 1560 static void sql_trace_callback(void *pArg, const char *z){ 1561 1561 FILE *f = (FILE*)pArg; 1562 1562 if( f ) fprintf(f, "%s\n", z); 1563 1563 } 1564 + 1565 +/* 1566 +** A no-op routine that runs with the ".breakpoint" doc-command. This is 1567 +** a useful spot to set a debugger breakpoint. 1568 +*/ 1569 +static void test_breakpoint(void){ 1570 + static int nCall = 0; 1571 + nCall++; 1572 +} 1564 1573 1565 1574 /* 1566 1575 ** If an input line begins with "." then invoke this routine to 1567 1576 ** process that line. 1568 1577 ** 1569 1578 ** Return 1 on error, 2 to exit, and 0 otherwise. 1570 1579 */ ................................................................................ 1636 1645 } 1637 1646 sqlite3_close(pDest); 1638 1647 }else 1639 1648 1640 1649 if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 && nArg>1 && nArg<3 ){ 1641 1650 bail_on_error = booleanValue(azArg[1]); 1642 1651 }else 1652 + 1653 + /* The undocumented ".breakpoint" command causes a call to the no-op 1654 + ** routine named test_breakpoint(). 1655 + */ 1656 + if( c=='b' && n>=3 && strncmp(azArg[0], "breakpoint", n)==0 ){ 1657 + test_breakpoint(); 1658 + }else 1643 1659 1644 1660 if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 && nArg==1 ){ 1645 1661 struct callback_data data; 1646 1662 char *zErrMsg = 0; 1647 1663 open_db(p); 1648 1664 memcpy(&data, p, sizeof(data)); 1649 1665 data.showHeader = 1;