in seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/internal/dialect/iris/IrisTypeConverter.java [266:434]
public BasicTypeDefine reconvert(Column column) {
BasicTypeDefine.BasicTypeDefineBuilder builder =
BasicTypeDefine.builder()
.name(column.getName())
.precision(column.getColumnLength())
.length(column.getColumnLength())
.nullable(column.isNullable())
.comment(column.getComment())
.scale(column.getScale())
.defaultValue(column.getDefaultValue());
switch (column.getDataType().getSqlType()) {
case NULL:
builder.columnType(IRIS_NULL);
builder.dataType(IRIS_NULL);
break;
case STRING:
if (column.getColumnLength() == null || column.getColumnLength() <= 0) {
builder.columnType(String.format("%s(%s)", IRIS_VARCHAR, MAX_VARCHAR_LENGTH));
builder.dataType(IRIS_VARCHAR);
} else if (column.getColumnLength() < MAX_VARCHAR_LENGTH) {
builder.columnType(
String.format("%s(%s)", IRIS_VARCHAR, column.getColumnLength()));
builder.dataType(IRIS_VARCHAR);
} else {
builder.columnType(IRIS_LONG_VARCHAR);
builder.dataType(IRIS_LONG_VARCHAR);
}
break;
case BOOLEAN:
builder.columnType(IRIS_BIT);
builder.dataType(IRIS_BIT);
break;
case TINYINT:
builder.columnType(IRIS_TINYINT);
builder.dataType(IRIS_TINYINT);
break;
case SMALLINT:
builder.columnType(IRIS_SMALLINT);
builder.dataType(IRIS_SMALLINT);
break;
case INT:
builder.columnType(IRIS_INTEGER);
builder.dataType(IRIS_INTEGER);
break;
case BIGINT:
builder.columnType(IRIS_BIGINT);
builder.dataType(IRIS_BIGINT);
break;
case FLOAT:
builder.columnType(IRIS_FLOAT);
builder.dataType(IRIS_FLOAT);
break;
case DOUBLE:
builder.columnType(IRIS_DOUBLE);
builder.dataType(IRIS_DOUBLE);
break;
case DECIMAL:
DecimalType decimalType = (DecimalType) column.getDataType();
long precision = decimalType.getPrecision();
int scale = decimalType.getScale();
if (scale < 0) {
scale = 0;
log.warn(
"The decimal column {} type decimal({},{}) is out of range, "
+ "which is scale less than 0, "
+ "it will be converted to decimal({},{})",
column.getName(),
decimalType.getPrecision(),
decimalType.getScale(),
precision,
scale);
} else if (scale > MAX_SCALE) {
scale = MAX_SCALE;
log.warn(
"The decimal column {} type decimal({},{}) is out of range, "
+ "which exceeds the maximum scale of {}, "
+ "it will be converted to decimal({},{})",
column.getName(),
decimalType.getPrecision(),
decimalType.getScale(),
MAX_SCALE,
precision,
scale);
}
if (precision < scale) {
precision = scale;
}
if (precision <= 0) {
precision = DEFAULT_PRECISION;
scale = DEFAULT_SCALE;
log.warn(
"The decimal column {} type decimal({},{}) is out of range, "
+ "which is precision less than 0, "
+ "it will be converted to decimal({},{})",
column.getName(),
decimalType.getPrecision(),
decimalType.getScale(),
precision,
scale);
} else if (precision > MAX_PRECISION) {
scale = MAX_SCALE;
precision = MAX_PRECISION;
log.warn(
"The decimal column {} type decimal({},{}) is out of range, "
+ "which exceeds the maximum precision of {}, "
+ "it will be converted to decimal({},{})",
column.getName(),
decimalType.getPrecision(),
decimalType.getScale(),
MAX_PRECISION,
precision,
scale);
}
builder.columnType(String.format("%s(%s,%s)", IRIS_DECIMAL, precision, scale));
builder.dataType(IRIS_DECIMAL);
builder.precision(precision);
builder.scale(scale);
break;
case BYTES:
if (column.getColumnLength() == null || column.getColumnLength() <= 0) {
builder.columnType(IRIS_LONG_BINARY);
builder.dataType(IRIS_LONG_BINARY);
} else if (column.getColumnLength() < MAX_BINARY_LENGTH) {
builder.dataType(IRIS_BINARY);
builder.columnType(
String.format("%s(%s)", IRIS_BINARY, column.getColumnLength()));
} else {
builder.columnType(IRIS_LONG_BINARY);
builder.dataType(IRIS_LONG_BINARY);
}
break;
case DATE:
builder.columnType(IRIS_DATE);
builder.dataType(IRIS_DATE);
break;
case TIME:
builder.dataType(IRIS_TIME);
if (Objects.nonNull(column.getScale()) && column.getScale() > 0) {
Integer timeScale = column.getScale();
if (timeScale > MAX_TIME_SCALE) {
timeScale = MAX_TIME_SCALE;
log.warn(
"The time column {} type time({}) is out of range, "
+ "which exceeds the maximum scale of {}, "
+ "it will be converted to time({})",
column.getName(),
column.getScale(),
MAX_TIME_SCALE,
timeScale);
}
builder.columnType(String.format("%s(%s)", IRIS_TIME, timeScale));
builder.scale(timeScale);
} else {
builder.columnType(IRIS_TIME);
}
break;
case TIMESTAMP:
builder.columnType(IRIS_TIMESTAMP2);
builder.dataType(IRIS_TIMESTAMP2);
break;
default:
throw CommonError.convertToConnectorTypeError(
DatabaseIdentifier.IRIS,
column.getDataType().getSqlType().name(),
column.getName());
}
return builder.build();
}