[GitHub] [calcite] wenhuitang commented on a change in pull request #1861: [CALCITE-3468] JDBC adapter may generate casts on Oracle for varchar without the precision and for char with the precision ex
wenhuitang commented on a change in pull request #1861: [CALCITE-3468] JDBC
adapter may generate casts on Oracle for varchar without the precision and for
char with the precision exceeding max length of Oracle
URL: https://github.com/apache/calcite/pull/1861#discussion_r398505227
##
File path: core/src/main/java/org/apache/calcite/sql/type/SqlTypeUtil.java
##
@@ -1015,17 +1015,23 @@ private static boolean flattenFields(
* @param type type descriptor
* @param charSetName charSet name
* @param maxPrecision The max allowed precision.
+ * @param allowsPrecisionUnspecified whether allows precision not specified
+ * @param defaultPrecision The default precision.
* @return corresponding parse representation
*/
public static SqlDataTypeSpec convertTypeToSpec(RelDataType type,
- String charSetName, int maxPrecision) {
+ String charSetName, int maxPrecision,
+ boolean allowsPrecisionUnspecified, int defaultPrecision) {
SqlTypeName typeName = type.getSqlTypeName();
Review comment:
This pull request has been updated, thanks for your reviewing, it's really
helpful.
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
[GitHub] [calcite] wenhuitang commented on a change in pull request #1861: [CALCITE-3468] JDBC adapter may generate casts on Oracle for varchar without the precision and for char with the precision ex
wenhuitang commented on a change in pull request #1861: [CALCITE-3468] JDBC
adapter may generate casts on Oracle for varchar without the precision and for
char with the precision exceeding max length of Oracle
URL: https://github.com/apache/calcite/pull/1861#discussion_r398505227
##
File path: core/src/main/java/org/apache/calcite/sql/type/SqlTypeUtil.java
##
@@ -1015,17 +1015,23 @@ private static boolean flattenFields(
* @param type type descriptor
* @param charSetName charSet name
* @param maxPrecision The max allowed precision.
+ * @param allowsPrecisionUnspecified whether allows precision not specified
+ * @param defaultPrecision The default precision.
* @return corresponding parse representation
*/
public static SqlDataTypeSpec convertTypeToSpec(RelDataType type,
- String charSetName, int maxPrecision) {
+ String charSetName, int maxPrecision,
+ boolean allowsPrecisionUnspecified, int defaultPrecision) {
SqlTypeName typeName = type.getSqlTypeName();
Review comment:
This pull request has been updated, thanks for you reviewing, it's really
helpful.
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
[GitHub] [calcite] wenhuitang commented on a change in pull request #1861: [CALCITE-3468] JDBC adapter may generate casts on Oracle for varchar without the precision and for char with the precision ex
wenhuitang commented on a change in pull request #1861: [CALCITE-3468] JDBC
adapter may generate casts on Oracle for varchar without the precision and for
char with the precision exceeding max length of Oracle
URL: https://github.com/apache/calcite/pull/1861#discussion_r398299807
##
File path:
core/src/main/java/org/apache/calcite/sql/dialect/OracleSqlDialect.java
##
@@ -54,10 +54,20 @@
case VARCHAR:
// Maximum size of 4000 bytes for varchar2.
return 4000;
+ case CHAR:
+return 2000;
default:
return super.getMaxPrecision(typeName);
}
}
+@Override public int getDefaultPrecision(SqlTypeName typeName) {
+ switch (typeName) {
+ case VARCHAR:
Review comment:
Thanks a lot, I add the comment for this kind of situation.
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
[GitHub] [calcite] wenhuitang commented on a change in pull request #1861: [CALCITE-3468] JDBC adapter may generate casts on Oracle for varchar without the precision and for char with the precision ex
wenhuitang commented on a change in pull request #1861: [CALCITE-3468] JDBC
adapter may generate casts on Oracle for varchar without the precision and for
char with the precision exceeding max length of Oracle
URL: https://github.com/apache/calcite/pull/1861#discussion_r398299547
##
File path: core/src/main/java/org/apache/calcite/sql/SqlDialect.java
##
@@ -772,16 +773,26 @@ public boolean supportsDataType(RelDataType type) {
return true;
}
- /** Returns SqlNode for type in "cast(column as type)", which might be
+ public boolean allowTypeWithUnspecifiedPrecision(RelDataType type) {
+return true;
+ }
Review comment:
The document of this method has been added.
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
[GitHub] [calcite] wenhuitang commented on a change in pull request #1861: [CALCITE-3468] JDBC adapter may generate casts on Oracle for varchar without the precision and for char with the precision ex
wenhuitang commented on a change in pull request #1861: [CALCITE-3468] JDBC
adapter may generate casts on Oracle for varchar without the precision and for
char with the precision exceeding max length of Oracle
URL: https://github.com/apache/calcite/pull/1861#discussion_r396257351
##
File path: core/src/main/java/org/apache/calcite/sql/SqlDialect.java
##
@@ -772,16 +773,26 @@ public boolean supportsDataType(RelDataType type) {
return true;
}
- /** Returns SqlNode for type in "cast(column as type)", which might be
+ public boolean allowTypeWithUnspecifiedPrecision(RelDataType type) {
+return true;
+ }
+
+ /** Returns SqlNode for type in "cast(column as type)", which might be
* different between databases by type name, precision etc. */
public SqlNode getCastSpec(RelDataType type) {
if (type instanceof BasicSqlType) {
int maxPrecision = -1;
switch (type.getSqlTypeName()) {
case VARCHAR:
+ case CHAR:
// if needed, adjust varchar length to max length supported by the
system
maxPrecision = getTypeSystem().getMaxPrecision(type.getSqlTypeName());
}
+ if (type.getPrecision() == RelDataType.PRECISION_NOT_SPECIFIED) {
+type = allowTypeWithUnspecifiedPrecision(type)
+? type
+: new
SqlTypeFactoryImpl(getTypeSystem()).createSqlType(type.getSqlTypeName());
Review comment:
Thanks a lot , I have already addressed.
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
