Update exasol.md

Improved documentation on data type mismatches.
exasol · Apr 2, 2024 · 52bab26 · 52bab26
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commit 52bab26
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diff --git a/doc/dialects/exasol.md b/doc/dialects/exasol.md
@@ -116,7 +116,11 @@ IMPORT INTO (c1 DECIMAL(36,1), c2 .... ) FROM EXA AT "EXA_CONNECTION" STATEMENT
 
 ##### Data type mismatch
 
-In case you run into a `Data type mismatch` issue when using EXA import turning this property on will usually also solve the issue by providing type hints.
+In case you run into a `Data type mismatch` issue which looks like this:
+`Adapter generated invalid pushdown query for virtual table <TABLENAME>: Data type mismatch in column number <COLUMN NUMBER>  (1-indexed).Expected <EXPECTED IMPORT TYPE>, but got <IMPORT TYPE>.`
+
+You can set the datatype mapping to true: `GENERATE_JDBC_DATATYPE_MAPPING_FOR_EXA = 'true'`. 
+This will usually solve the issue by providing type hints.
 
 ### Using `IMPORT FROM JDBC`