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DBZ-20 Oracle precision supports negative numbers

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This commit is contained in:
Gunnar Morling 2018-06-13 10:41:11 +02:00 committed by Jiri Pechanec
parent f4e3668ebf
commit dce1aa29f1
15 changed files with 82 additions and 53 deletions
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24
debezium-connector-mysql/src/test/java/io/debezium/connector/mysql/MetadataIT.java
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@ -6,11 +6,13 @@
package io.debezium.connector.mysql; package io.debezium.connector.mysql;
import java.sql.SQLException; import java.sql.SQLException;
import java.sql.Types; import java.sql.Types;
import org.junit.Test; import org.junit.Test;
import static org.fest.assertions.Assertions.assertThat; import static org.fest.assertions.Assertions.assertThat;
import static org.junit.Assert.assertFalse;
import io.debezium.relational.Column; import io.debezium.relational.Column;
import io.debezium.relational.Table; import io.debezium.relational.Table;
@ -57,7 +59,7 @@ public void shouldLoadMetadataViaJdbc() throws SQLException {
assertThat(person.columnWithName("name").typeName()).isEqualTo("VARCHAR"); assertThat(person.columnWithName("name").typeName()).isEqualTo("VARCHAR");
assertThat(person.columnWithName("name").jdbcType()).isEqualTo(Types.VARCHAR); assertThat(person.columnWithName("name").jdbcType()).isEqualTo(Types.VARCHAR);
assertThat(person.columnWithName("name").length()).isEqualTo(255); assertThat(person.columnWithName("name").length()).isEqualTo(255);
assertThat(person.columnWithName("name").scale()).isEqualTo(0); assertFalse(person.columnWithName("name").scale().isPresent());
assertThat(person.columnWithName("name").position()).isEqualTo(1); assertThat(person.columnWithName("name").position()).isEqualTo(1);
assertThat(person.columnWithName("name").isAutoIncremented()).isFalse(); assertThat(person.columnWithName("name").isAutoIncremented()).isFalse();
assertThat(person.columnWithName("name").isGenerated()).isFalse(); assertThat(person.columnWithName("name").isGenerated()).isFalse();
@ -66,7 +68,7 @@ public void shouldLoadMetadataViaJdbc() throws SQLException {
assertThat(person.columnWithName("birthdate").typeName()).isEqualTo("DATE"); assertThat(person.columnWithName("birthdate").typeName()).isEqualTo("DATE");
assertThat(person.columnWithName("birthdate").jdbcType()).isEqualTo(Types.DATE); assertThat(person.columnWithName("birthdate").jdbcType()).isEqualTo(Types.DATE);
assertThat(person.columnWithName("birthdate").length()).isEqualTo(10); assertThat(person.columnWithName("birthdate").length()).isEqualTo(10);
assertThat(person.columnWithName("birthdate").scale()).isEqualTo(0); assertFalse(person.columnWithName("birthdate").scale().isPresent());
assertThat(person.columnWithName("birthdate").position()).isEqualTo(2); assertThat(person.columnWithName("birthdate").position()).isEqualTo(2);
assertThat(person.columnWithName("birthdate").isAutoIncremented()).isFalse(); assertThat(person.columnWithName("birthdate").isAutoIncremented()).isFalse();
assertThat(person.columnWithName("birthdate").isGenerated()).isFalse(); assertThat(person.columnWithName("birthdate").isGenerated()).isFalse();
@ -75,7 +77,7 @@ public void shouldLoadMetadataViaJdbc() throws SQLException {
assertThat(person.columnWithName("age").typeName()).isEqualTo("INT"); assertThat(person.columnWithName("age").typeName()).isEqualTo("INT");
assertThat(person.columnWithName("age").jdbcType()).isEqualTo(Types.INTEGER); assertThat(person.columnWithName("age").jdbcType()).isEqualTo(Types.INTEGER);
assertThat(person.columnWithName("age").length()).isEqualTo(10); assertThat(person.columnWithName("age").length()).isEqualTo(10);
assertThat(person.columnWithName("age").scale()).isEqualTo(0); assertThat(person.columnWithName("age").scale().get()).isEqualTo(0);
assertThat(person.columnWithName("age").position()).isEqualTo(3); assertThat(person.columnWithName("age").position()).isEqualTo(3);
assertThat(person.columnWithName("age").isAutoIncremented()).isFalse(); assertThat(person.columnWithName("age").isAutoIncremented()).isFalse();
assertThat(person.columnWithName("age").isGenerated()).isFalse(); assertThat(person.columnWithName("age").isGenerated()).isFalse();
@ -84,7 +86,7 @@ public void shouldLoadMetadataViaJdbc() throws SQLException {
assertThat(person.columnWithName("salary").typeName()).isEqualTo("DECIMAL"); assertThat(person.columnWithName("salary").typeName()).isEqualTo("DECIMAL");
assertThat(person.columnWithName("salary").jdbcType()).isEqualTo(Types.DECIMAL); assertThat(person.columnWithName("salary").jdbcType()).isEqualTo(Types.DECIMAL);
assertThat(person.columnWithName("salary").length()).isEqualTo(5); assertThat(person.columnWithName("salary").length()).isEqualTo(5);
assertThat(person.columnWithName("salary").scale()).isEqualTo(2); assertThat(person.columnWithName("salary").scale().get()).isEqualTo(2);
assertThat(person.columnWithName("salary").position()).isEqualTo(4); assertThat(person.columnWithName("salary").position()).isEqualTo(4);
assertThat(person.columnWithName("salary").isAutoIncremented()).isFalse(); assertThat(person.columnWithName("salary").isAutoIncremented()).isFalse();
assertThat(person.columnWithName("salary").isGenerated()).isFalse(); assertThat(person.columnWithName("salary").isGenerated()).isFalse();
@ -93,7 +95,7 @@ public void shouldLoadMetadataViaJdbc() throws SQLException {
assertThat(person.columnWithName("bitStr").typeName()).isEqualTo("BIT"); assertThat(person.columnWithName("bitStr").typeName()).isEqualTo("BIT");
assertThat(person.columnWithName("bitStr").jdbcType()).isEqualTo(Types.BIT); assertThat(person.columnWithName("bitStr").jdbcType()).isEqualTo(Types.BIT);
assertThat(person.columnWithName("bitStr").length()).isEqualTo(18); assertThat(person.columnWithName("bitStr").length()).isEqualTo(18);
assertThat(person.columnWithName("bitStr").scale()).isEqualTo(0); assertFalse(person.columnWithName("bitStr").scale().isPresent());
assertThat(person.columnWithName("bitStr").position()).isEqualTo(5); assertThat(person.columnWithName("bitStr").position()).isEqualTo(5);
assertThat(person.columnWithName("bitStr").isAutoIncremented()).isFalse(); assertThat(person.columnWithName("bitStr").isAutoIncremented()).isFalse();
assertThat(person.columnWithName("bitStr").isGenerated()).isFalse(); assertThat(person.columnWithName("bitStr").isGenerated()).isFalse();
@ -119,7 +121,7 @@ public void shouldLoadMetadataViaJdbc() throws SQLException {
assertThat(product.columnWithName("id").typeName()).isEqualTo("INT"); assertThat(product.columnWithName("id").typeName()).isEqualTo("INT");
assertThat(product.columnWithName("id").jdbcType()).isEqualTo(Types.INTEGER); assertThat(product.columnWithName("id").jdbcType()).isEqualTo(Types.INTEGER);
assertThat(product.columnWithName("id").length()).isEqualTo(10); assertThat(product.columnWithName("id").length()).isEqualTo(10);
assertThat(product.columnWithName("id").scale()).isEqualTo(0); assertThat(product.columnWithName("id").scale().get()).isEqualTo(0);
assertThat(product.columnWithName("id").position()).isEqualTo(1); assertThat(product.columnWithName("id").position()).isEqualTo(1);
assertThat(product.columnWithName("id").isAutoIncremented()).isTrue(); assertThat(product.columnWithName("id").isAutoIncremented()).isTrue();
assertThat(product.columnWithName("id").isGenerated()).isFalse(); assertThat(product.columnWithName("id").isGenerated()).isFalse();
@ -128,7 +130,7 @@ public void shouldLoadMetadataViaJdbc() throws SQLException {
assertThat(product.columnWithName("createdByDate").typeName()).isEqualTo("DATETIME"); assertThat(product.columnWithName("createdByDate").typeName()).isEqualTo("DATETIME");
assertThat(product.columnWithName("createdByDate").jdbcType()).isEqualTo(Types.TIMESTAMP); assertThat(product.columnWithName("createdByDate").jdbcType()).isEqualTo(Types.TIMESTAMP);
assertThat(product.columnWithName("createdByDate").length()).isEqualTo(19); assertThat(product.columnWithName("createdByDate").length()).isEqualTo(19);
assertThat(product.columnWithName("createdByDate").scale()).isEqualTo(0); assertFalse(product.columnWithName("createdByDate").scale().isPresent());
assertThat(product.columnWithName("createdByDate").position()).isEqualTo(2); assertThat(product.columnWithName("createdByDate").position()).isEqualTo(2);
assertThat(product.columnWithName("createdByDate").isAutoIncremented()).isFalse(); assertThat(product.columnWithName("createdByDate").isAutoIncremented()).isFalse();
assertThat(product.columnWithName("createdByDate").isGenerated()).isFalse(); assertThat(product.columnWithName("createdByDate").isGenerated()).isFalse();
@ -137,7 +139,7 @@ public void shouldLoadMetadataViaJdbc() throws SQLException {
assertThat(product.columnWithName("modifiedDate").typeName()).isEqualTo("DATETIME"); assertThat(product.columnWithName("modifiedDate").typeName()).isEqualTo("DATETIME");
assertThat(product.columnWithName("modifiedDate").jdbcType()).isEqualTo(Types.TIMESTAMP); assertThat(product.columnWithName("modifiedDate").jdbcType()).isEqualTo(Types.TIMESTAMP);
assertThat(product.columnWithName("modifiedDate").length()).isEqualTo(19); assertThat(product.columnWithName("modifiedDate").length()).isEqualTo(19);
assertThat(product.columnWithName("modifiedDate").scale()).isEqualTo(0); assertFalse(product.columnWithName("modifiedDate").scale().isPresent());
assertThat(product.columnWithName("modifiedDate").position()).isEqualTo(3); assertThat(product.columnWithName("modifiedDate").position()).isEqualTo(3);
assertThat(product.columnWithName("modifiedDate").isAutoIncremented()).isFalse(); assertThat(product.columnWithName("modifiedDate").isAutoIncremented()).isFalse();
assertThat(product.columnWithName("modifiedDate").isGenerated()).isFalse(); assertThat(product.columnWithName("modifiedDate").isGenerated()).isFalse();
@ -163,7 +165,7 @@ public void shouldLoadMetadataViaJdbc() throws SQLException {
assertThat(purchased.columnWithName("purchaser").typeName()).isEqualTo("VARCHAR"); assertThat(purchased.columnWithName("purchaser").typeName()).isEqualTo("VARCHAR");
assertThat(purchased.columnWithName("purchaser").jdbcType()).isEqualTo(Types.VARCHAR); assertThat(purchased.columnWithName("purchaser").jdbcType()).isEqualTo(Types.VARCHAR);
assertThat(purchased.columnWithName("purchaser").length()).isEqualTo(255); assertThat(purchased.columnWithName("purchaser").length()).isEqualTo(255);
assertThat(purchased.columnWithName("purchaser").scale()).isEqualTo(0); assertFalse(purchased.columnWithName("purchaser").scale().isPresent());
assertThat(purchased.columnWithName("purchaser").position()).isEqualTo(1); assertThat(purchased.columnWithName("purchaser").position()).isEqualTo(1);
assertThat(purchased.columnWithName("purchaser").isAutoIncremented()).isFalse(); assertThat(purchased.columnWithName("purchaser").isAutoIncremented()).isFalse();
assertThat(purchased.columnWithName("purchaser").isGenerated()).isFalse(); assertThat(purchased.columnWithName("purchaser").isGenerated()).isFalse();
@ -172,7 +174,7 @@ public void shouldLoadMetadataViaJdbc() throws SQLException {
assertThat(purchased.columnWithName("productId").typeName()).isEqualTo("INT"); assertThat(purchased.columnWithName("productId").typeName()).isEqualTo("INT");
assertThat(purchased.columnWithName("productId").jdbcType()).isEqualTo(Types.INTEGER); assertThat(purchased.columnWithName("productId").jdbcType()).isEqualTo(Types.INTEGER);
assertThat(purchased.columnWithName("productId").length()).isEqualTo(10); assertThat(purchased.columnWithName("productId").length()).isEqualTo(10);
assertThat(purchased.columnWithName("productId").scale()).isEqualTo(0); assertThat(purchased.columnWithName("productId").scale().isPresent());
assertThat(purchased.columnWithName("productId").position()).isEqualTo(2); assertThat(purchased.columnWithName("productId").position()).isEqualTo(2);
assertThat(purchased.columnWithName("productId").isAutoIncremented()).isFalse(); assertThat(purchased.columnWithName("productId").isAutoIncremented()).isFalse();
assertThat(purchased.columnWithName("productId").isGenerated()).isFalse(); assertThat(purchased.columnWithName("productId").isGenerated()).isFalse();
@ -181,7 +183,7 @@ public void shouldLoadMetadataViaJdbc() throws SQLException {
assertThat(purchased.columnWithName("purchaseDate").typeName()).isEqualTo("DATETIME"); assertThat(purchased.columnWithName("purchaseDate").typeName()).isEqualTo("DATETIME");
assertThat(purchased.columnWithName("purchaseDate").jdbcType()).isEqualTo(Types.TIMESTAMP); assertThat(purchased.columnWithName("purchaseDate").jdbcType()).isEqualTo(Types.TIMESTAMP);
assertThat(purchased.columnWithName("purchaseDate").length()).isEqualTo(19); assertThat(purchased.columnWithName("purchaseDate").length()).isEqualTo(19);
assertThat(purchased.columnWithName("purchaseDate").scale()).isEqualTo(0); assertFalse(purchased.columnWithName("purchaseDate").scale().isPresent());
assertThat(purchased.columnWithName("purchaseDate").position()).isEqualTo(3); assertThat(purchased.columnWithName("purchaseDate").position()).isEqualTo(3);
assertThat(purchased.columnWithName("purchaseDate").isAutoIncremented()).isFalse(); assertThat(purchased.columnWithName("purchaseDate").isAutoIncremented()).isFalse();
assertThat(purchased.columnWithName("purchaseDate").isGenerated()).isFalse(); assertThat(purchased.columnWithName("purchaseDate").isGenerated()).isFalse();

10
debezium-connector-mysql/src/test/java/io/debezium/connector/mysql/MySqlDdlParserTest.java
View File

@ -6,6 +6,7 @@
package io.debezium.connector.mysql; package io.debezium.connector.mysql;
import static org.fest.assertions.Assertions.assertThat; import static org.fest.assertions.Assertions.assertThat;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail; import static org.junit.Assert.fail;
import java.io.IOException; import java.io.IOException;
@ -1619,7 +1620,7 @@ protected void assertColumn(Table table, String name, String typeName, int jdbcT
assertThat(column.jdbcType()).isEqualTo(jdbcType); assertThat(column.jdbcType()).isEqualTo(jdbcType);
assertThat(column.length()).isEqualTo(length); assertThat(column.length()).isEqualTo(length);
assertThat(column.charsetName()).isEqualTo(charsetName); assertThat(column.charsetName()).isEqualTo(charsetName);
assertThat(column.scale()).isEqualTo(-1); assertFalse(column.scale().isPresent());
assertThat(column.isOptional()).isEqualTo(optional); assertThat(column.isOptional()).isEqualTo(optional);
assertThat(column.isGenerated()).isFalse(); assertThat(column.isGenerated()).isFalse();
assertThat(column.isAutoIncremented()).isFalse(); assertThat(column.isAutoIncremented()).isFalse();
@ -1632,7 +1633,12 @@ protected void assertColumn(Table table, String name, String typeName, int jdbcT
assertThat(column.typeName()).isEqualTo(typeName); assertThat(column.typeName()).isEqualTo(typeName);
assertThat(column.jdbcType()).isEqualTo(jdbcType); assertThat(column.jdbcType()).isEqualTo(jdbcType);
assertThat(column.length()).isEqualTo(length); assertThat(column.length()).isEqualTo(length);
assertThat(column.scale()).isEqualTo(scale); if (scale == Column.UNSET_INT_VALUE) {
assertFalse(column.scale().isPresent());
}
else {
assertThat(column.scale().get()).isEqualTo(scale);
}
assertThat(column.isOptional()).isEqualTo(optional); assertThat(column.isOptional()).isEqualTo(optional);
assertThat(column.isGenerated()).isEqualTo(generated); assertThat(column.isGenerated()).isEqualTo(generated);
assertThat(column.isAutoIncremented()).isEqualTo(autoIncremented); assertThat(column.isAutoIncremented()).isEqualTo(autoIncremented);

5
debezium-connector-oracle/src/main/java/io/debezium/connector/oracle/OracleConnection.java
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@ -11,6 +11,7 @@
import java.util.ArrayList; import java.util.ArrayList;
import java.util.HashSet; import java.util.HashSet;
import java.util.List; import java.util.List;
import java.util.Optional;
import java.util.Set; import java.util.Set;
import java.util.stream.Collectors; import java.util.stream.Collectors;
@ -107,8 +108,8 @@ public void readSchema(Tables tables, String databaseCatalog, String schemaNameP
if (column.jdbcType() == Types.TIMESTAMP) { if (column.jdbcType() == Types.TIMESTAMP) {
editor.addColumn( editor.addColumn(
column.edit() column.edit()
.length(column.scale()) .length(column.scale().orElse(Column.UNSET_INT_VALUE))
.scale(-1) .scale(Optional.empty())
.create() .create()
); );
} }

2
debezium-connector-oracle/src/test/java/io/debezium/connector/oracle/OracleDdlParserTest.java
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@ -61,7 +61,7 @@ public void shouldParseCreateTable() {
assertThat(score.jdbcType()).isEqualTo(Types.NUMERIC); assertThat(score.jdbcType()).isEqualTo(Types.NUMERIC);
assertThat(score.typeName()).isEqualTo("NUMBER"); assertThat(score.typeName()).isEqualTo("NUMBER");
assertThat(score.length()).isEqualTo(6); assertThat(score.length()).isEqualTo(6);
assertThat(score.scale()).isEqualTo(2); assertThat(score.scale().get()).isEqualTo(2);
assertThat(table.columns()).hasSize(4); assertThat(table.columns()).hasSize(4);
assertThat(table.isPrimaryKeyColumn("ID")); assertThat(table.isPrimaryKeyColumn("ID"));

14
debezium-connector-postgres/src/main/java/io/debezium/connector/postgresql/PostgresValueConverter.java
View File

@ -131,7 +131,7 @@ public SchemaBuilder schemaBuilder(Column column) {
case PgOid.POINT: case PgOid.POINT:
return Point.builder(); return Point.builder();
case PgOid.MONEY: case PgOid.MONEY:
return Decimal.builder(column.scale()); return Decimal.builder(column.scale().get());
case PgOid.NUMERIC: case PgOid.NUMERIC:
return numericSchema(column); return numericSchema(column);
case PgOid.BYTEA: case PgOid.BYTEA:
@ -207,7 +207,7 @@ private SchemaBuilder numericSchema(Column column) {
if (decimalMode == DecimalMode.PRECISE && isVariableScaleDecimal(column)) { if (decimalMode == DecimalMode.PRECISE && isVariableScaleDecimal(column)) {
return VariableScaleDecimal.builder(); return VariableScaleDecimal.builder();
} }
return SpecialValueDecimal.builder(decimalMode, column.scale()); return SpecialValueDecimal.builder(decimalMode, column.scale().get());
} }
@Override @Override
@ -341,8 +341,8 @@ protected Object convertDecimal(Column column, Field fieldDefn, Object data, Dec
} }
newDecimal = value.getDecimalValue().get(); newDecimal = value.getDecimalValue().get();
if (column.scale() > newDecimal.scale()) { if (column.scale().get() > newDecimal.scale()) {
newDecimal = newDecimal.setScale(column.scale()); newDecimal = newDecimal.setScale(column.scale().get());
} }
if (isVariableScaleDecimal(column) && mode == DecimalMode.PRECISE) { if (isVariableScaleDecimal(column) && mode == DecimalMode.PRECISE) {
@ -610,8 +610,8 @@ protected Object convertArray(Column column, Field fieldDefn, ValueConverter ele
} }
private boolean isVariableScaleDecimal(final Column column) { private boolean isVariableScaleDecimal(final Column column) {
return (column.scale() == 0 && column.length() == VARIABLE_SCALE_DECIMAL_LENGTH) return (column.scale().isPresent() && column.scale().get() == 0 && column.length() == VARIABLE_SCALE_DECIMAL_LENGTH)
|| (column.scale() == -1 && column.length() == -1); || (!column.scale().isPresent() && column.length() == -1);
} }
public static Optional<SpecialValueDecimal> toSpecialValue(String value) { public static Optional<SpecialValueDecimal> toSpecialValue(String value) {
@ -643,6 +643,6 @@ protected Object convertTimestampToUTC(Column column, Field fieldDefn, Object da
@Override @Override
protected int getTimePrecision(Column column) { protected int getTimePrecision(Column column) {
return column.scale(); return column.scale().orElse(-1);
} }
} }

2
debezium-connector-postgres/src/main/java/io/debezium/connector/postgresql/RecordsStreamProducer.java
View File

@ -465,7 +465,7 @@ private boolean schemaChanged(List<ReplicationMessage.Column> columns, Table tab
incomingLength); incomingLength);
return true; return true;
} }
final int localScale = column.scale(); final int localScale = column.scale().get();
final int incomingScale = message.getTypeMetadata().getScale(); final int incomingScale = message.getTypeMetadata().getScale();
if (localScale != incomingScale) { if (localScale != incomingScale) {
logger.info("detected new scale for column '{}', old scale was {}, new scale is {}; refreshing table schema", columnName, localScale, logger.info("detected new scale for column '{}', old scale was {}, new scale is {}; refreshing table schema", columnName, localScale,

4
debezium-core/src/main/java/io/debezium/jdbc/JdbcConnection.java
View File

@ -840,7 +840,9 @@ public void readSchema(Tables tables, String databaseCatalog, String schemaNameP
column.jdbcType(rs.getInt(5)); column.jdbcType(rs.getInt(5));
column.type(rs.getString(6)); column.type(rs.getString(6));
column.length(rs.getInt(7)); column.length(rs.getInt(7));
column.scale(rs.getInt(9)); if (rs.getObject(9) != null) {
column.scale(rs.getInt(9));
}
column.optional(isNullable(rs.getInt(11))); column.optional(isNullable(rs.getInt(11)));
column.position(rs.getInt(17)); column.position(rs.getInt(17));
column.autoIncremented("YES".equalsIgnoreCase(rs.getString(23))); column.autoIncremented("YES".equalsIgnoreCase(rs.getString(23)));

2
debezium-core/src/main/java/io/debezium/jdbc/JdbcValueConverters.java
View File

@ -162,7 +162,7 @@ public SchemaBuilder schemaBuilder(Column column) {
return SchemaBuilder.float64(); return SchemaBuilder.float64();
case Types.NUMERIC: case Types.NUMERIC:
case Types.DECIMAL: case Types.DECIMAL:
return SpecialValueDecimal.builder(decimalMode, column.scale()); return SpecialValueDecimal.builder(decimalMode, column.scale().get());
// Fixed-length string values // Fixed-length string values
case Types.CHAR: case Types.CHAR:

5
debezium-core/src/main/java/io/debezium/relational/Column.java
View File

@ -6,6 +6,7 @@
package io.debezium.relational; package io.debezium.relational;
import java.sql.Types; import java.sql.Types;
import java.util.Optional;
import io.debezium.annotation.Immutable; import io.debezium.annotation.Immutable;
@ -90,9 +91,9 @@ public static ColumnEditor editor() {
/** /**
* Get the scale of the column. * Get the scale of the column.
* *
* @return the scale, or -1 if the scale does not apply to this type * @return the scale if it applies to this type
*/ */
int scale(); Optional<Integer> scale();
/** /**
* Determine whether this column is optional. * Determine whether this column is optional.

15
debezium-core/src/main/java/io/debezium/relational/ColumnEditor.java
View File

@ -6,6 +6,7 @@
package io.debezium.relational; package io.debezium.relational;
import java.sql.Types; import java.sql.Types;
import java.util.Optional;
import io.debezium.annotation.NotThreadSafe; import io.debezium.annotation.NotThreadSafe;
@ -87,9 +88,9 @@ public interface ColumnEditor extends Comparable<Column> {
/** /**
* Get the scale of the column. * Get the scale of the column.
* *
* @return the scale, or -1 if the scale does not apply to this type * @return the scale if present
*/ */
int scale(); Optional<Integer> scale();
/** /**
* Determine whether this column is optional. * Determine whether this column is optional.
@ -195,11 +196,19 @@ public interface ColumnEditor extends Comparable<Column> {
/** /**
* Set the scale of the column. * Set the scale of the column.
* *
* @param scale the scale, or -1 if the scale does not apply to this type * @param scale the scale
* @return this editor so callers can chain methods together * @return this editor so callers can chain methods together
*/ */
ColumnEditor scale(int scale); ColumnEditor scale(int scale);
/**
* Set the scale of the column.
*
* @param scale the scale, or empty() if the scale does not apply to this type
* @return this editor so callers can chain methods together
*/
ColumnEditor scale(Optional<Integer> scale);
/** /**
* Set whether the column's values are optional (e.g., can contain nulls). * Set whether the column's values are optional (e.g., can contain nulls).
* *

11
debezium-core/src/main/java/io/debezium/relational/ColumnEditorImpl.java
View File

@ -6,6 +6,7 @@
package io.debezium.relational; package io.debezium.relational;
import java.sql.Types; import java.sql.Types;
import java.util.Optional;
final class ColumnEditorImpl implements ColumnEditor { final class ColumnEditorImpl implements ColumnEditor {
@ -17,7 +18,7 @@ final class ColumnEditorImpl implements ColumnEditor {
private String charsetName; private String charsetName;
private String tableCharsetName; private String tableCharsetName;
private int length = Column.UNSET_INT_VALUE; private int length = Column.UNSET_INT_VALUE;
private int scale = Column.UNSET_INT_VALUE; private Optional<Integer> scale = Optional.empty();
private int position = 1; private int position = 1;
private boolean optional = true; private boolean optional = true;
private boolean autoIncremented = false; private boolean autoIncremented = false;
@ -69,7 +70,7 @@ public int length() {
} }
@Override @Override
public int scale() { public Optional<Integer> scale() {
return scale; return scale;
} }
@ -156,7 +157,11 @@ public ColumnEditorImpl length(int length) {
@Override @Override
public ColumnEditorImpl scale(int scale) { public ColumnEditorImpl scale(int scale) {
assert scale >= -1; return scale(Optional.of(scale));
}
@Override
public ColumnEditorImpl scale(Optional<Integer> scale) {
this.scale = scale; this.scale = scale;
return this; return this;
} }

20
debezium-core/src/main/java/io/debezium/relational/ColumnImpl.java
View File

@ -5,9 +5,10 @@
*/ */
package io.debezium.relational; package io.debezium.relational;
import io.debezium.util.Strings;
import java.util.Objects; import java.util.Objects;
import java.util.Optional;
import io.debezium.util.Strings;
final class ColumnImpl implements Column, Comparable<Column> { final class ColumnImpl implements Column, Comparable<Column> {
private final String name; private final String name;
@ -18,7 +19,7 @@ final class ColumnImpl implements Column, Comparable<Column> {
private final String typeExpression; private final String typeExpression;
private final String charsetName; private final String charsetName;
private final int length; private final int length;
private final int scale; private final Optional<Integer> scale;
private final boolean optional; private final boolean optional;
private final boolean autoIncremented; private final boolean autoIncremented;
private final boolean generated; private final boolean generated;
@ -26,14 +27,14 @@ final class ColumnImpl implements Column, Comparable<Column> {
private final boolean hasDefaultValue; private final boolean hasDefaultValue;
protected ColumnImpl(String columnName, int position, int jdbcType, int componentType, String typeName, String typeExpression, protected ColumnImpl(String columnName, int position, int jdbcType, int componentType, String typeName, String typeExpression,
String charsetName, String defaultCharsetName, int columnLength, int columnScale, String charsetName, String defaultCharsetName, int columnLength, Optional<Integer> columnScale,
boolean optional, boolean autoIncremented, boolean generated) { boolean optional, boolean autoIncremented, boolean generated) {
this(columnName, position, jdbcType, componentType, typeName, typeExpression, charsetName, this(columnName, position, jdbcType, componentType, typeName, typeExpression, charsetName,
defaultCharsetName, columnLength, columnScale, optional, autoIncremented, generated, null, false); defaultCharsetName, columnLength, columnScale, optional, autoIncremented, generated, null, false);
} }
protected ColumnImpl(String columnName, int position, int jdbcType, int nativeType, String typeName, String typeExpression, protected ColumnImpl(String columnName, int position, int jdbcType, int nativeType, String typeName, String typeExpression,
String charsetName, String defaultCharsetName, int columnLength, int columnScale, String charsetName, String defaultCharsetName, int columnLength, Optional<Integer> columnScale,
boolean optional, boolean autoIncremented, boolean generated, Object defaultValue, boolean hasDefaultValue) { boolean optional, boolean autoIncremented, boolean generated, Object defaultValue, boolean hasDefaultValue) {
this.name = columnName; this.name = columnName;
this.position = position; this.position = position;
@ -54,7 +55,6 @@ protected ColumnImpl(String columnName, int position, int jdbcType, int nativeTy
this.generated = generated; this.generated = generated;
this.defaultValue = defaultValue; this.defaultValue = defaultValue;
this.hasDefaultValue = hasDefaultValue; this.hasDefaultValue = hasDefaultValue;
assert this.scale >= -1;
assert this.length >= -1; assert this.length >= -1;
} }
@ -92,14 +92,14 @@ public String typeExpression() {
public String charsetName() { public String charsetName() {
return charsetName; return charsetName;
} }
@Override @Override
public int length() { public int length() {
return length; return length;
} }
@Override @Override
public int scale() { public Optional<Integer> scale() {
return scale; return scale;
} }
@ -161,9 +161,7 @@ public String toString() {
sb.append(" ").append(typeName); sb.append(" ").append(typeName);
if (length >= 0) { if (length >= 0) {
sb.append('(').append(length); sb.append('(').append(length);
if (scale >= 0) { scale.ifPresent(s -> sb.append(',').append(s));
sb.append(',').append(scale);
}
sb.append(')'); sb.append(')');
} }
if (charsetName != null && !charsetName.isEmpty()) { if (charsetName != null && !charsetName.isEmpty()) {

4
debezium-core/src/main/java/io/debezium/relational/history/TableChanges.java
View File

@ -203,9 +203,7 @@ private Document toDocument(Column column) {
document.setNumber("length", column.length()); document.setNumber("length", column.length());
} }
if (column.scale() != Column.UNSET_INT_VALUE) { column.scale().ifPresent(s -> document.setNumber("scale", s));
document.setNumber("scale", column.scale());
}
document.setNumber("position", column.position()); document.setNumber("position", column.position());
document.setBoolean("optional", column.isOptional()); document.setBoolean("optional", column.isOptional());

9
debezium-core/src/test/java/io/debezium/relational/ColumnEditorTest.java
View File

@ -5,13 +5,14 @@
*/ */
package io.debezium.relational; package io.debezium.relational;
import static org.fest.assertions.Assertions.assertThat;
import java.sql.Types; import java.sql.Types;
import org.junit.Assert;
import org.junit.Before; import org.junit.Before;
import org.junit.Test; import org.junit.Test;
import static org.fest.assertions.Assertions.assertThat;
public class ColumnEditorTest { public class ColumnEditorTest {
private ColumnEditor editor; private ColumnEditor editor;
@ -43,7 +44,7 @@ public void shouldCreateColumnWithAllFieldsSetToNonDefaults() {
assertThat(column.typeName()).isEqualTo("NUMBER"); assertThat(column.typeName()).isEqualTo("NUMBER");
assertThat(column.jdbcType()).isEqualTo(Types.DOUBLE); assertThat(column.jdbcType()).isEqualTo(Types.DOUBLE);
assertThat(column.length()).isEqualTo(5); assertThat(column.length()).isEqualTo(5);
assertThat(column.scale()).isEqualTo(2); assertThat(column.scale().get()).isEqualTo(2);
assertThat(column.position()).isEqualTo(4); assertThat(column.position()).isEqualTo(4);
assertThat(column.isOptional()).isTrue(); assertThat(column.isOptional()).isTrue();
assertThat(column.isAutoIncremented()).isTrue(); assertThat(column.isAutoIncremented()).isTrue();
@ -57,7 +58,7 @@ public void shouldCreateColumnWithAllFieldsSetToDefaults() {
assertThat(column.typeName()).isNull(); assertThat(column.typeName()).isNull();
assertThat(column.jdbcType()).isEqualTo(Types.INTEGER); assertThat(column.jdbcType()).isEqualTo(Types.INTEGER);
assertThat(column.length()).isEqualTo(-1); assertThat(column.length()).isEqualTo(-1);
assertThat(column.scale()).isEqualTo(-1); Assert.assertFalse(column.scale().isPresent());
assertThat(column.position()).isEqualTo(1); assertThat(column.position()).isEqualTo(1);
assertThat(column.isOptional()).isTrue(); assertThat(column.isOptional()).isTrue();
assertThat(column.isAutoIncremented()).isFalse(); assertThat(column.isAutoIncremented()).isFalse();

8
debezium-core/src/test/java/io/debezium/relational/ddl/DdlParserSql2003Test.java
View File

@ -11,6 +11,7 @@
import org.junit.Test; import org.junit.Test;
import static org.fest.assertions.Assertions.assertThat; import static org.fest.assertions.Assertions.assertThat;
import static org.junit.Assert.assertFalse;
import io.debezium.relational.Column; import io.debezium.relational.Column;
import io.debezium.relational.Table; import io.debezium.relational.Table;
@ -83,7 +84,12 @@ protected void assertColumn(Table table, String name, String typeName, int jdbcT
assertThat(column.typeName()).isEqualTo(typeName); assertThat(column.typeName()).isEqualTo(typeName);
assertThat(column.jdbcType()).isEqualTo(jdbcType); assertThat(column.jdbcType()).isEqualTo(jdbcType);
assertThat(column.length()).isEqualTo(length); assertThat(column.length()).isEqualTo(length);
assertThat(column.scale()).isEqualTo(scale); if (scale == Column.UNSET_INT_VALUE) {
assertFalse(column.scale().isPresent());
}
else {
assertThat(column.scale().get()).isEqualTo(scale);
}
assertThat(column.isOptional()).isEqualTo(optional); assertThat(column.isOptional()).isEqualTo(optional);
assertThat(column.isGenerated()).isEqualTo(generated); assertThat(column.isGenerated()).isEqualTo(generated);
assertThat(column.isAutoIncremented()).isEqualTo(autoIncremented); assertThat(column.isAutoIncremented()).isEqualTo(autoIncremented);