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feat: friendly api for table schema (#26)
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* feat: friendly api for table schema

* chore: add some unit test for TableSchela

* chore: minor change
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@fengjiachun
fengjiachun authored Feb 2, 2024
1 parent 158d378 commit 7b6bcc1
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Showing 13 changed files with 202 additions and 97 deletions.
15 changes: 7 additions & 8 deletions ingester-example/src/main/java/io/greptime/StreamWriteQuickStart.java
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Expand Up @@ -16,7 +16,6 @@
package io.greptime;

import io.greptime.models.DataType;
import io.greptime.models.SemanticType;
import io.greptime.models.Table;
import io.greptime.models.TableSchema;
import io.greptime.models.WriteOk;
Expand All @@ -36,16 +35,16 @@ public static void main(String[] args) throws ExecutionException, InterruptedExc
GreptimeDB greptimeDB = TestConnector.connectToDefaultDB();

TableSchema cpuMetricSchema = TableSchema.newBuilder("cpu_metric") //
.addColumn("host", SemanticType.Tag, DataType.String) //
.addColumn("ts", SemanticType.Timestamp, DataType.TimestampMillisecond) //
.addColumn("cpu_user", SemanticType.Field, DataType.Float64) //
.addColumn("cpu_sys", SemanticType.Field, DataType.Float64) //
.addTag("host", DataType.String) //
.addTimestamp("ts", DataType.TimestampMillisecond) //
.addField("cpu_user", DataType.Float64) //
.addField("cpu_sys", DataType.Float64) //
.build();

TableSchema memMetricSchema = TableSchema.newBuilder("mem_metric") //
.addColumn("host", SemanticType.Tag, DataType.String) //
.addColumn("ts", SemanticType.Timestamp, DataType.TimestampMillisecond) //
.addColumn("mem_usage", SemanticType.Field, DataType.Float64) //
.addTag("host", DataType.String) //
.addTimestamp("ts", DataType.TimestampMillisecond) //
.addField("mem_usage", DataType.Float64) //
.build();

Table cpuMetric = Table.from(cpuMetricSchema);
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9 changes: 6 additions & 3 deletions ingester-example/src/main/java/io/greptime/WritePOJOsQuickStart.java
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Expand Up @@ -62,10 +62,13 @@ public static void main(String[] args) throws ExecutionException, InterruptedExc

Result<WriteOk, Err> result = puts.get();

if (result.isOk()) {
LOG.info("Write result: {}", result.getOk());
Result<Integer, String> simpleResult = result //
.map(WriteOk::getSuccess) //
.mapErr(err -> err.getError().getMessage());
if (simpleResult.isOk()) {
LOG.info("Write success: {}", simpleResult.getOk());
} else {
LOG.error("Failed to write: {}", result.getErr());
LOG.error("Failed to write: {}", simpleResult.getErr());
}

List<List<?>> delete_pojos = Arrays.asList(cpus.subList(0, 5), memories.subList(0, 5));
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24 changes: 13 additions & 11 deletions ingester-example/src/main/java/io/greptime/WriteQuickStart.java
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Expand Up @@ -18,7 +18,6 @@
import io.greptime.models.DataType;
import io.greptime.models.Err;
import io.greptime.models.Result;
import io.greptime.models.SemanticType;
import io.greptime.models.Table;
import io.greptime.models.TableSchema;
import io.greptime.models.WriteOk;
Expand All @@ -40,16 +39,16 @@ public static void main(String[] args) throws ExecutionException, InterruptedExc
GreptimeDB greptimeDB = TestConnector.connectToDefaultDB();

TableSchema cpuMetricSchema = TableSchema.newBuilder("cpu_metric") //
.addColumn("host", SemanticType.Tag, DataType.String) //
.addColumn("ts", SemanticType.Timestamp, DataType.TimestampMillisecond) //
.addColumn("cpu_user", SemanticType.Field, DataType.Float64) //
.addColumn("cpu_sys", SemanticType.Field, DataType.Float64) //
.addTag("host", DataType.String) //
.addTimestamp("ts", DataType.TimestampMillisecond) //
.addField("cpu_user", DataType.Float64) //
.addField("cpu_sys", DataType.Float64) //
.build();

TableSchema memMetricSchema = TableSchema.newBuilder("mem_metric") //
.addColumn("host", SemanticType.Tag, DataType.String) //
.addColumn("ts", SemanticType.Timestamp, DataType.TimestampMillisecond) //
.addColumn("mem_usage", SemanticType.Field, DataType.Float64) //
.addTag("host", DataType.String) //
.addTimestamp("ts", DataType.TimestampMillisecond) //
.addField("mem_usage", DataType.Float64) //
.build();

Table cpuMetric = Table.from(cpuMetricSchema);
Expand Down Expand Up @@ -77,10 +76,13 @@ public static void main(String[] args) throws ExecutionException, InterruptedExc

Result<WriteOk, Err> result = future.get();

if (result.isOk()) {
LOG.info("Write result: {}", result.getOk());
Result<Integer, String> simpleResult = result //
.map(WriteOk::getSuccess) //
.mapErr(err -> err.getError().getMessage());
if (simpleResult.isOk()) {
LOG.info("Write success: {}", simpleResult.getOk());
} else {
LOG.error("Failed to write: {}", result.getErr());
LOG.error("Failed to write: {}", simpleResult.getErr());
}

List<Table> delete_objs = Arrays.asList(cpuMetric.subRange(0, 5), memMetric.subRange(0, 5));
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5 changes: 5 additions & 0 deletions ingester-protocol/src/main/java/io/greptime/models/DataType.java
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Expand Up @@ -53,6 +53,11 @@ public enum DataType {
Decimal128, //
;

public boolean isTimestamp() {
return this == TimestampSecond || this == TimestampMillisecond || this == TimestampMicrosecond
|| this == TimestampNanosecond;
}

public Common.ColumnDataType toProtoValue() {
switch (this) {
case Bool:
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3 changes: 3 additions & 0 deletions ingester-protocol/src/main/java/io/greptime/models/RowHelper.java
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Expand Up @@ -88,6 +88,9 @@ public static void addValue(RowData.Row.Builder builder, //
case TIMESTAMP_MILLISECOND:
valueBuilder.setTimestampMillisecondValue(Util.getLongValue(value));
break;
case TIMESTAMP_MICROSECOND:
valueBuilder.setTimestampMicrosecondValue(Util.getLongValue(value));
break;
case TIMESTAMP_NANOSECOND:
valueBuilder.setTimestampNanosecondValue(Util.getLongValue(value));
break;
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44 changes: 43 additions & 1 deletion ingester-protocol/src/main/java/io/greptime/models/TableSchema.java
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Expand Up @@ -75,6 +75,41 @@ public Builder(String tableName) {
this.tableName = tableName;
}

/**
* Add tag schema.
*
* @param name the name of this tag
* @param dataType the data type of this tag
* @return this builder
*/
public Builder addTag(String name, DataType dataType) {
return addColumn(name, SemanticType.Tag, dataType);
}

/**
* Add timestamp schema.
*
* @param name the name of this timestamp
* @param dataType the data type of this timestamp
* @return this builder
*/
public Builder addTimestamp(String name, DataType dataType) {
Ensures.ensure(dataType.isTimestamp(),
"Invalid timestamp data type: %s, only support `DataType.TimestampXXX`", dataType);
return addColumn(name, SemanticType.Timestamp, dataType);
}

/**
* Add field schema.
*
* @param name the name of this field
* @param dataType the data type of this field
* @return this builder
*/
public Builder addField(String name, DataType dataType) {
return addColumn(name, SemanticType.Field, dataType);
}

/**
* Add column schema.
*
Expand All @@ -96,12 +131,19 @@ public Builder addColumn(String name, SemanticType semanticType, DataType dataTy
* @param decimalTypeExtension the decimal type extension of this column(only for `DataType.Decimal128`)
* @return this builder
*/
public Builder addColumn(String name, SemanticType semanticType, DataType dataType,
public Builder addColumn(String name, //
SemanticType semanticType, //
DataType dataType, //
DataType.DecimalTypeExtension decimalTypeExtension) {
Ensures.ensureNonNull(name, "Null column name");
Ensures.ensureNonNull(semanticType, "Null semantic type");
Ensures.ensureNonNull(dataType, "Null data type");

if (semanticType == SemanticType.Timestamp) {
Ensures.ensure(dataType.isTimestamp(),
"Invalid timestamp data type: %s, only support `DataType.TimestampXXX`", dataType);
}

this.columnNames.add(name);
this.semanticTypes.add(semanticType.toProtoValue());
this.dataTypes.add(dataType.toProtoValue());
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2 changes: 1 addition & 1 deletion ingester-protocol/src/test/java/io/greptime/PojoMapperTest.java
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Expand Up @@ -83,7 +83,7 @@ class Pojo1Test {
long c;
@Column(name = "d", dataType = DataType.Float64)
double d;
@Column(name = "ts", dataType = DataType.TimeSecond, timestamp = true)
@Column(name = "ts", dataType = DataType.TimestampMillisecond, timestamp = true)
long ts;
}

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7 changes: 3 additions & 4 deletions ingester-protocol/src/test/java/io/greptime/TestUtil.java
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Expand Up @@ -16,7 +16,6 @@
package io.greptime;

import io.greptime.models.DataType;
import io.greptime.models.SemanticType;
import io.greptime.models.Table;
import io.greptime.models.TableSchema;
import io.greptime.v1.Common;
Expand All @@ -32,9 +31,9 @@ public class TestUtil {

public static Collection<Table> testTable(String tableName, int rowCount) {
TableSchema tableSchema = TableSchema.newBuilder(tableName) //
.addColumn("host", SemanticType.Tag, DataType.String) //
.addColumn("ts", SemanticType.Timestamp, DataType.TimestampMillisecond) //
.addColumn("cpu", SemanticType.Field, DataType.Float64) //
.addTag("host", DataType.String) //
.addTimestamp("ts", DataType.TimestampMillisecond) //
.addField("cpu", DataType.Float64) //
.build();

Table table = Table.from(tableSchema);
Expand Down
73 changes: 47 additions & 26 deletions ingester-protocol/src/test/java/io/greptime/WriteClientTest.java
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Expand Up @@ -18,6 +18,7 @@
import io.greptime.common.Endpoint;
import io.greptime.models.DataType;
import io.greptime.models.Err;
import io.greptime.models.IntervalMonthDayNano;
import io.greptime.models.Result;
import io.greptime.models.Table;
import io.greptime.models.TableSchema;
Expand All @@ -33,11 +34,9 @@
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.runners.MockitoJUnitRunner;
import java.math.BigDecimal;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ForkJoinPool;
import static io.greptime.models.SemanticType.Field;
import static io.greptime.models.SemanticType.Tag;
import static io.greptime.models.SemanticType.Timestamp;

/**
* @author jiachun.fjc
Expand Down Expand Up @@ -67,36 +66,58 @@ public void after() {
@Test
public void testWriteSuccess() throws ExecutionException, InterruptedException {
TableSchema schema = TableSchema.newBuilder("test_table") //
.addColumn("test_tag", Tag, DataType.String) //
.addColumn("test_ts", Timestamp, DataType.Int64) //
.addColumn("field1", Field, DataType.Int8) //
.addColumn("field2", Field, DataType.Int16) //
.addColumn("field3", Field, DataType.Int32) //
.addColumn("field4", Field, DataType.Int64) //
.addColumn("field5", Field, DataType.UInt8) //
.addColumn("field6", Field, DataType.UInt16) //
.addColumn("field7", Field, DataType.UInt32) //
.addColumn("field8", Field, DataType.UInt64) //
.addColumn("field9", Field, DataType.Float32) //
.addColumn("field10", Field, DataType.Float64) //
.addColumn("field11", Field, DataType.Bool) //
.addColumn("field12", Field, DataType.Binary) //
.addColumn("field13", Field, DataType.Date) //
.addColumn("field14", Field, DataType.DateTime) //
.addColumn("field15", Field, DataType.TimestampSecond) //
.addColumn("field16", Field, DataType.TimestampMillisecond) //
.addColumn("field17", Field, DataType.TimestampNanosecond) //
.addTag("test_tag", DataType.String) //
.addTimestamp("test_ts", DataType.TimestampMillisecond) //
.addField("field1", DataType.Int8) //
.addField("field2", DataType.Int16) //
.addField("field3", DataType.Int32) //
.addField("field4", DataType.Int64) //
.addField("field5", DataType.UInt8) //
.addField("field6", DataType.UInt16) //
.addField("field7", DataType.UInt32) //
.addField("field8", DataType.UInt64) //
.addField("field9", DataType.Float32) //
.addField("field10", DataType.Float64) //
.addField("field11", DataType.Bool) //
.addField("field12", DataType.Binary) //
.addField("field13", DataType.Date) //
.addField("field14", DataType.DateTime) //
.addField("field15", DataType.TimestampSecond) //
.addField("field16", DataType.TimestampMillisecond) //
.addField("field17", DataType.TimestampMicrosecond) //
.addField("field18", DataType.TimestampNanosecond) //
.addField("field19", DataType.TimeSecond) //
.addField("field20", DataType.TimeMilliSecond) //
.addField("field21", DataType.TimeMicroSecond) //
.addField("field22", DataType.TimeNanoSecond) //
.addField("field23", DataType.IntervalYearMonth) //
.addField("field24", DataType.IntervalDayTime) //
.addField("field25", DataType.IntervalMonthDayNano) //
.addField("field26", DataType.Decimal128) //
.build();
Table table = Table.from(schema);
long ts = System.currentTimeMillis();

table.addRow("tag1", ts, 1, 2, 3, 4L, 5, 6, 7, 8L, 0.9F, 0.10D, true, new byte[0], 11, 12L, 13L, 14L, 15L);
table.addRow("tag1", ts, 1, 2, 3, 4, 5, 6, 7, 8, 0.9, 0.10, false, new byte[0], 11, 12, 13, 14, 15);
table.addRow("tag1", ts, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, false, new byte[] {0, 1}, 11, 12, 13, 14, 15);
Object[] row1 =
new Object[] {"tag1", ts, 1, 2, 3, 4L, 5, 6, 7, 8L, 0.9F, 0.10D, true, new byte[0], 13L, 14L, 15L, 16L,
17L, 18L, 19L, 20L, 21L, 22L, 23, 24L, new IntervalMonthDayNano(1, 2, 3),
BigDecimal.valueOf(123.456)};
Object[] row2 =
new Object[] {"tag2", ts, 1, 2, 3, 4L, 5, 6, 7, 8L, 0.9F, 0.10D, true, new byte[0], 13L, 14L, 15L, 16L,
17L, 18L, 19L, 20L, 21L, 22L, 23, 24L, new IntervalMonthDayNano(4, 5, 6),
BigDecimal.valueOf(123.456)};
Object[] row3 =
new Object[] {"tag3", ts, 1, 2, 3, 4L, 5, 6, 7, 8L, 0.9F, 0.10D, true, new byte[0], 13L, 14L, 15L, 16L,
17L, 18L, 19L, 20L, 21L, 22L, 23, 24L, new IntervalMonthDayNano(7, 8, 9),
BigDecimal.valueOf(123.456)};
table.addRow(row1);
table.addRow(row2);
table.addRow(row3);

Endpoint addr = Endpoint.parse("127.0.0.1:8081");
Database.GreptimeResponse response = Database.GreptimeResponse.newBuilder() //
.setAffectedRows(Common.AffectedRows.newBuilder().setValue(3)) //
.setAffectedRows(Common.AffectedRows.newBuilder() //
.setValue(3)) //
.build();

Mockito.when(this.routerClient.route()) //
Expand Down
2 changes: 1 addition & 1 deletion ingester-protocol/src/test/java/io/greptime/WriteLimitTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,7 @@ public void blockingWriteLimitTest() throws InterruptedException {
try {
limiter.acquireAndDo(rows, this::emptyOk);
alwaysFalse.set(true);
} catch (final Throwable err) {
} catch (Throwable err) {
// noinspection ConstantConditions
Assert.assertTrue(err instanceof InterruptedException);
}
Expand Down
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