Yury Gerzhedovich created IGNITE-17902:
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Summary: Ignite 3. SQL. Dynamic parameter type can't be inferred
for the most of built-in SQL functions
Key: IGNITE-17902
URL: https://issues.apache.org/jira/browse/IGNITE-17902
Project: Ignite
Issue Type: Improvement
Components: sql
Reporter: Yury Gerzhedovich
Queries like:
{code:java}
SELECT LOWER(?)
{code}
Fails with:
{noformat}
Caused by: org.apache.calcite.runtime.CalciteContextException: At line 1,
column 14: Illegal use of dynamic parameter
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at
org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:505)
at org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:932)
at org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:917)
at
org.apache.calcite.sql.validate.SqlValidatorImpl.newValidationError(SqlValidatorImpl.java:5266)
at
org.apache.calcite.sql.validate.SqlValidatorImpl.inferUnknownTypes(SqlValidatorImpl.java:1975)
at
org.apache.ignite.internal.processors.query.calcite.prepare.IgniteSqlValidator.inferUnknownTypes(IgniteSqlValidator.java:534)
at
org.apache.calcite.sql.validate.SqlValidatorImpl.inferUnknownTypes(SqlValidatorImpl.java:2057)
at
org.apache.ignite.internal.processors.query.calcite.prepare.IgniteSqlValidator.inferUnknownTypes(IgniteSqlValidator.java:534)
at
org.apache.calcite.sql.validate.SqlValidatorImpl.expandSelectItem(SqlValidatorImpl.java:461)
at
org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelectList(SqlValidatorImpl.java:4409)
at
org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3652){noformat}
We can try to infer types by type checker for SQL functions with
empty {{{}operandTypeInference{}}}.
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