BePPPower commented on code in PR #15862:
URL: https://github.com/apache/doris/pull/15862#discussion_r1068979288
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fe/fe-core/src/main/java/org/apache/doris/external/jdbc/JdbcClient.java:
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@@ -563,6 +563,65 @@ public Type clickhouseTypeToDoris(JdbcFieldSchema
fieldSchema) {
// Todo(zyk): Wait the JDBC external table support the array type then
supported clickhouse array type
}
+ public Type oracleTypeToDoris(JdbcFieldSchema fieldSchema) {
+ String oracleType = fieldSchema.getDataTypeName();
+ if (oracleType.startsWith("INTERVAL")) {
+ oracleType = oracleType.substring(0, 8);
+ }
+ switch (oracleType) {
+ case "NUMBER":
+ int precision = fieldSchema.getColumnSize();
+ int scale = fieldSchema.getDecimalDigits();
+ if (scale == 0) {
+ if (precision < 3) {
+ return Type.TINYINT;
+ } else if (precision < 5) {
+ return Type.SMALLINT;
+ } else if (precision < 10) {
+ return Type.INT;
+ } else if (precision < 19) {
+ return Type.BIGINT;
+ } else if (precision < 39) {
+ return Type.LARGEINT;
+ }
+ return ScalarType.createStringType();
+ }
+ if (precision <= ScalarType.MAX_DECIMAL128_PRECISION) {
+ if (!Config.enable_decimal_conversion && precision >
ScalarType.MAX_DECIMALV2_PRECISION) {
+ return ScalarType.createStringType();
+ }
+ return ScalarType.createDecimalType(precision, scale);
+ } else {
+ return ScalarType.createStringType();
+ }
+ case "FLOAT":
+ return Type.DOUBLE;
+ case "VARCHAR2":
+ case "NVARCHAR2":
+ ScalarType varcharType =
ScalarType.createVarcharType(fieldSchema.columnSize);
+ return varcharType;
+ case "CHAR":
+ case "NCHAR":
+ ScalarType charType =
ScalarType.createCharType(fieldSchema.columnSize);
Review Comment:
done
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