NobiGo commented on code in PR #3789:
URL: https://github.com/apache/calcite/pull/3789#discussion_r1632131142
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core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java:
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@@ -211,6 +211,7 @@
import static org.apache.calcite.sql.fun.SqlLibraryOperators.LOG2;
import static org.apache.calcite.sql.fun.SqlLibraryOperators.LOGICAL_AND;
import static org.apache.calcite.sql.fun.SqlLibraryOperators.LOGICAL_OR;
+import static org.apache.calcite.sql.fun.SqlLibraryOperators.LOG_MYSQLSPARK;
Review Comment:
It is strange we use LOG_MYSQLSPARK. May be LOG_SPARK or LOG_MYSQL. we will
add the `libraries` label in SqlLibraryOperators to show the function can work
in which database.
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core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java:
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@@ -2214,6 +2222,7 @@ private static RelDataType
deriveTypeMapFromEntries(SqlOperatorBinding opBinding
OperandTypes.NUMERIC,
SqlFunctionCategory.NUMERIC);
+
Review Comment:
Delete the blank line.
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site/_docs/reference.md:
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@@ -2789,7 +2789,8 @@ In the following:
| f s | LEN(string) | Equivalent to
`CHAR_LENGTH(string)`
| b f s | LENGTH(string) | Equivalent to
`CHAR_LENGTH(string)`
| h s | LEVENSHTEIN(string1, string2) | Returns the Levenshtein
distance between *string1* and *string2*
-| b | LOG(numeric1 [, numeric2 ]) | Returns the logarithm
of *numeric1* to base *numeric2*, or base e if *numeric2* is not present
+| b p | LOG(numeric1 [, numeric2 ]) | Returns the logarithm
of *numeric1* to base *numeric2*, or base e if *numeric2* is not present
+| m s | LOG(numeric1 [, numeric2 ]) | Returns the logarithm
of *numeric1* to base *numeric2*, or base e if *numeric2* is not present
Review Comment:
Need to add a description to illustrate the difference before LOG.
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