Examples with StringSink io.questdb.std.str.StringSink used on opensource projects

Example 26 with StringSink

use of io.questdb.std.str.StringSink in project questdb by bluestreak01.

the class Misc method getThreadLocalBuilder.

public static StringSink getThreadLocalBuilder() {
    StringSink b = tlBuilder.get();
    b.clear();
    return b;
}

Example 27 with StringSink

use of io.questdb.std.str.StringSink in project questdb by bluestreak01.

the class Dates method toString.

public static String toString(long millis) {
    StringSink sink = Misc.getThreadLocalBuilder();
    DateFormatUtils.appendDateTime(sink, millis);
    return sink.toString();
}

Example 28 with StringSink

use of io.questdb.std.str.StringSink in project questdb by bluestreak01.

the class InsertNullTest method expectedNullInserts.

static String expectedNullInserts(String header, String nullValue, int count) {
    StringSink sb = Misc.getThreadLocalBuilder();
    sb.put(header);
    for (int i = 0; i < count; i++) {
        sb.put(nullValue);
        sb.put("\n");
    }
    return sb.toString();
}

Example 29 with StringSink

use of io.questdb.std.str.StringSink in project questdb by bluestreak01.

the class MemoryLeakTest method testQuestDbForLeaks.

@Test
public void testQuestDbForLeaks() throws Exception {
    assertMemoryLeak(() -> {
        int N = 1_000_000;
        populateUsersTable(engine, N);
        try (SqlCompiler compiler = new SqlCompiler(engine)) {
            final BindVariableService bindVariableService = new BindVariableServiceImpl(configuration);
            bindVariableService.setLong("low", 0L);
            bindVariableService.setLong("high", 0L);
            try (final SqlExecutionContextImpl executionContext = new SqlExecutionContextImpl(engine, 1).with(AllowAllCairoSecurityContext.INSTANCE, bindVariableService, null)) {
                StringSink sink = new StringSink();
                sink.clear();
                sink.put("users");
                sink.put(" latest by id where sequence > :low and sequence < :high");
                try (RecordCursorFactory rcf = compiler.compile(sink, executionContext).getRecordCursorFactory()) {
                    bindVariableService.setLong("low", 0);
                    bindVariableService.setLong("high", N + 1);
                    Misc.free(rcf.getCursor(executionContext));
                }
            }
        } finally {
            Assert.assertEquals(Unsafe.getMemUsed(), getUsed());
            engine.clear();
            Assert.assertEquals(Unsafe.getMemUsed(), getUsed());
        }
    });
}

Example 30 with StringSink

use of io.questdb.std.str.StringSink in project questdb by bluestreak01.

the class SqlCompilerTest method testGeoLiteralBinLength.

@Test
public void testGeoLiteralBinLength() throws Exception {
    assertMemoryLeak(() -> {
        StringSink bitString = Misc.getThreadLocalBuilder();
        bitString.put(Chars.repeat("0", 59)).put('1');
        assertSql("select ##" + bitString + " as geobits", "geobits\n" + "000000000001\n");
    });
}