/**
* During MDX query parse and execution, checks that the query results (or does not result) in a
* particular SQL statement being generated.
*
* <p>Parses and executes the MDX query once for each SQL pattern in the current dialect. If there
* are multiple patterns, runs the MDX query multiple times, and expects to see each SQL statement
* appear. If there are no patterns in this dialect, the test trivially succeeds.
*
* @param testContext non-default test context if required
* @param mdxQuery MDX query
* @param patterns Set of patterns
* @param negative false to assert if SQL is generated; true to assert if SQL is NOT generated
* @param bypassSchemaCache whether to grab a new connection and bypass the schema cache before
* parsing the MDX query
* @param clearCache whether to clear cache before executing the MDX query
*/
protected void assertQuerySqlOrNot(
TestContext testContext,
String mdxQuery,
SqlPattern[] patterns,
boolean negative,
boolean bypassSchemaCache,
boolean clearCache) {
Connection connection = testContext.getConnection();
mdxQuery = testContext.upgradeQuery(mdxQuery);
// Run the test once for each pattern in this dialect.
// (We could optimize and run it once, collecting multiple queries, and
// comparing all queries at the end.)
Dialect dialect = testContext.getDialect();
Dialect.DatabaseProduct d = dialect.getDatabaseProduct();
boolean patternFound = false;
for (SqlPattern sqlPattern : patterns) {
if (!sqlPattern.hasDatabaseProduct(d)) {
// If the dialect is not one in the pattern set, skip the
// test. If in the end no pattern is located, print a warning
// message if required.
continue;
}
patternFound = true;
String sql = sqlPattern.getSql();
String trigger = sqlPattern.getTriggerSql();
sql = dialectize(d, sql);
trigger = dialectize(d, trigger);
// Create a dummy DataSource which will throw a 'bomb' if it is
// asked to execute a particular SQL statement, but will otherwise
// behave exactly the same as the current DataSource.
RolapUtil.setHook(new TriggerHook(trigger));
Bomb bomb = null;
try {
if (bypassSchemaCache) {
connection = testContext.withSchemaPool(false).getConnection();
}
final Query query = connection.parseQuery(mdxQuery);
if (clearCache) {
clearCache((RolapCube) query.getCube());
}
final Result result = connection.execute(query);
Util.discard(result);
bomb = null;
} catch (Bomb e) {
bomb = e;
} catch (RuntimeException e) {
// Walk up the exception tree and see if the root cause
// was a SQL bomb.
bomb = Util.getMatchingCause(e, Bomb.class);
if (bomb == null) {
throw e;
}
} finally {
RolapUtil.setHook(null);
}
if (negative) {
if (bomb != null) {
fail("forbidden query [" + sql + "] detected");
}
} else {
if (bomb == null) {
fail("expected query [" + sql + "] did not occur");
}
assertEquals(
replaceQuotes(sql.replaceAll("\r\n", "\n")),
replaceQuotes(bomb.sql.replaceAll("\r\n", "\n")));
}
}
// Print warning message that no pattern was specified for the current
// dialect.
if (!patternFound) {
String warnDialect = MondrianProperties.instance().WarnIfNoPatternForDialect.get();
if (warnDialect.equals(d.toString())) {
System.out.println(
"[No expected SQL statements found for dialect \""
+ dialect.toString()
+ "\" and test not run]");
}
}
}
/**
* Checks that a given sequence of cell requests results in a particular SQL statement being
* generated.
*
* <p>Always clears the cache before running the requests.
*
* <p>Runs the requests once for each SQL pattern in the current dialect. If there are multiple
* patterns, runs the MDX query multiple times, and expects to see each SQL statement appear. If
* there are no patterns in this dialect, the test trivially succeeds.
*
* @param requests Sequence of cell requests
* @param patterns Set of patterns
* @param negative Set to false in order to 'expect' a query or true to 'forbid' a query.
*/
protected void assertRequestSql(CellRequest[] requests, SqlPattern[] patterns, boolean negative) {
final RolapStar star = requests[0].getMeasure().getStar();
final String cubeName = requests[0].getMeasure().getCubeName();
final RolapCube cube = lookupCube(cubeName);
final Dialect sqlDialect = star.getSqlQueryDialect();
Dialect.DatabaseProduct d = sqlDialect.getDatabaseProduct();
SqlPattern sqlPattern = SqlPattern.getPattern(d, patterns);
if (d == Dialect.DatabaseProduct.UNKNOWN) {
// If the dialect is not one in the pattern set, do not run the
// test. We do not print any warning message.
return;
}
boolean patternFound = false;
for (SqlPattern pattern : patterns) {
if (!pattern.hasDatabaseProduct(d)) {
continue;
}
patternFound = true;
clearCache(cube);
String sql = sqlPattern.getSql();
String trigger = sqlPattern.getTriggerSql();
switch (d) {
case ORACLE:
sql = sql.replaceAll(" =as= ", " ");
trigger = trigger.replaceAll(" =as= ", " ");
break;
case TERADATA:
sql = sql.replaceAll(" =as= ", " as ");
trigger = trigger.replaceAll(" =as= ", " as ");
break;
}
// Create a dummy DataSource which will throw a 'bomb' if it is
// asked to execute a particular SQL statement, but will otherwise
// behave exactly the same as the current DataSource.
RolapUtil.setHook(new TriggerHook(trigger));
Bomb bomb;
final Execution execution =
new Execution(((RolapConnection) getConnection()).getInternalStatement(), 1000);
final AggregationManager aggMgr =
execution
.getMondrianStatement()
.getMondrianConnection()
.getServer()
.getAggregationManager();
final Locus locus = new Locus(execution, "BatchTestCase", "BatchTestCase");
try {
FastBatchingCellReader fbcr =
new FastBatchingCellReader(execution, getCube(cubeName), aggMgr);
for (CellRequest request : requests) {
fbcr.recordCellRequest(request);
}
// The FBCR will presume there is a current Locus in the stack,
// so let's create a mock one.
Locus.push(locus);
fbcr.loadAggregations();
bomb = null;
} catch (Bomb e) {
bomb = e;
} finally {
RolapUtil.setHook(null);
Locus.pop(locus);
}
if (!negative && bomb == null) {
fail("expected query [" + sql + "] did not occur");
} else if (negative && bomb != null) {
fail("forbidden query [" + sql + "] detected");
}
TestContext.assertEqualsVerbose(replaceQuotes(sql), replaceQuotes(bomb.sql));
}
// Print warning message that no pattern was specified for the current
// dialect.
if (!patternFound) {
String warnDialect = MondrianProperties.instance().WarnIfNoPatternForDialect.get();
if (warnDialect.equals(d.toString())) {
System.out.println(
"[No expected SQL statements found for dialect \""
+ sqlDialect.toString()
+ "\" and test not run]");
}
}
}