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[Improve][Jdbc] Support write unicode text into sqlserver #7159

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merged 2 commits into from
Jul 18, 2024
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[Improve][Jdbc] Support write unicode text into sqlserver #7159

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[Improve][Jdbc] Support write unicode text into sqlserver
hailin0 Jul 10, 2024
15e3eb2
Merge branch 'apache:dev' into dev-sqlserver-nvarchar
hailin0 Jul 12, 2024
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15 changes: 8 additions & 7 deletions ...eatunnel/connectors/seatunnel/jdbc/internal/dialect/sqlserver/SqlServerTypeConverter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,7 @@ public class SqlServerTypeConverter implements TypeConverter<BasicTypeDefine> {
public static final int MAX_SCALE = MAX_PRECISION - 1;
public static final int DEFAULT_SCALE = 18;
public static final int MAX_CHAR_LENGTH = 8000;
public static final int MAX_NVARCHAR_LENGTH = 4000;
public static final int MAX_BINARY_LENGTH = 8000;
public static final int MAX_TIME_SCALE = 7;
public static final int MAX_TIMESTAMP_SCALE = 7;
Expand Down Expand Up @@ -403,16 +404,16 @@ public BasicTypeDefine reconvert(Column column) {
break;
case STRING:
if (column.getColumnLength() == null || column.getColumnLength() <= 0) {
builder.columnType(SQLSERVER_TEXT);
builder.dataType(SQLSERVER_TEXT);
} else if (column.getColumnLength() <= MAX_CHAR_LENGTH) {
builder.columnType(MAX_NVARCHAR);
builder.dataType(MAX_NVARCHAR);
} else if (column.getColumnLength() <= MAX_NVARCHAR_LENGTH) {
builder.columnType(
String.format("%s(%s)", SQLSERVER_VARCHAR, column.getColumnLength()));
builder.dataType(SQLSERVER_VARCHAR);
String.format("%s(%s)", SQLSERVER_NVARCHAR, column.getColumnLength()));
builder.dataType(SQLSERVER_NVARCHAR);
builder.length(column.getColumnLength());
} else {
builder.columnType(SQLSERVER_TEXT);
builder.dataType(SQLSERVER_TEXT);
builder.columnType(MAX_NVARCHAR);
builder.dataType(MAX_NVARCHAR);
builder.length(column.getColumnLength());
}
break;
Expand Down
2 changes: 1 addition & 1 deletion ...c/test/java/org/apache/seatunnel/connectors/seatunnel/jdbc/catalog/PreviewActionTest.java
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Expand Up @@ -375,7 +375,7 @@ public void testSqlServerPreviewAction() {
"IF OBJECT_ID('[testddatabase].[testtable]', 'U') IS NULL \n"
+ "BEGIN \n"
+ "CREATE TABLE [testddatabase].[testtable] ( \n"
+ "\t[test] TEXT NULL\n"
+ "\t[test] NVARCHAR(MAX) NULL\n"
+ ");\n"
+ "EXEC testddatabase.sys.sp_addextendedproperty 'MS_Description', N'comment', 'schema', N'null', 'table', N'testtable';\n"
+ "EXEC testddatabase.sys.sp_addextendedproperty 'MS_Description', N'', 'schema', N'null', 'table', N'testtable', 'column', N'test';\n"
Expand Down
17 changes: 9 additions & 8 deletions ...nnel/connectors/seatunnel/jdbc/internal/dialect/sqlserver/SqlServerTypeConverterTest.java
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Expand Up @@ -748,36 +748,37 @@ public void testReconvertString() {

BasicTypeDefine typeDefine = SqlServerTypeConverter.INSTANCE.reconvert(column);
Assertions.assertEquals(column.getName(), typeDefine.getName());
Assertions.assertEquals(SqlServerTypeConverter.SQLSERVER_TEXT, typeDefine.getColumnType());
Assertions.assertEquals(SqlServerTypeConverter.SQLSERVER_TEXT, typeDefine.getDataType());
Assertions.assertEquals(SqlServerTypeConverter.MAX_NVARCHAR, typeDefine.getColumnType());
Assertions.assertEquals(SqlServerTypeConverter.MAX_NVARCHAR, typeDefine.getDataType());

column =
PhysicalColumn.builder()
.name("test")
.dataType(BasicType.STRING_TYPE)
.columnLength(8000L)
.columnLength(4000L)
.build();

typeDefine = SqlServerTypeConverter.INSTANCE.reconvert(column);
Assertions.assertEquals(column.getName(), typeDefine.getName());
Assertions.assertEquals(
String.format(
"%s(%s)",
SqlServerTypeConverter.SQLSERVER_VARCHAR, column.getColumnLength()),
SqlServerTypeConverter.SQLSERVER_NVARCHAR, column.getColumnLength()),
typeDefine.getColumnType());
Assertions.assertEquals(SqlServerTypeConverter.SQLSERVER_VARCHAR, typeDefine.getDataType());
Assertions.assertEquals(
SqlServerTypeConverter.SQLSERVER_NVARCHAR, typeDefine.getDataType());

column =
PhysicalColumn.builder()
.name("test")
.dataType(BasicType.STRING_TYPE)
.columnLength(8001L)
.columnLength(4001L)
.build();

typeDefine = SqlServerTypeConverter.INSTANCE.reconvert(column);
Assertions.assertEquals(column.getName(), typeDefine.getName());
Assertions.assertEquals(SqlServerTypeConverter.SQLSERVER_TEXT, typeDefine.getColumnType());
Assertions.assertEquals(SqlServerTypeConverter.SQLSERVER_TEXT, typeDefine.getDataType());
Assertions.assertEquals(SqlServerTypeConverter.MAX_NVARCHAR, typeDefine.getColumnType());
Assertions.assertEquals(SqlServerTypeConverter.MAX_NVARCHAR, typeDefine.getDataType());
}

@Test
Expand Down
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