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docs: port JDBC getTypeInfo note from clickhouse-docs#6418 #228

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docs: port JDBC getTypeInfo note from clickhouse-docs#6418 #228

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2 changes: 2 additions & 0 deletions integrations/language-clients/java/jdbc.mdx
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Expand Up @@ -796,6 +796,8 @@ try (Connection conn = DriverManager.getConnection(url, properties)) {

- V2 uses only `Schema` term to name databases. `Catalog` term is reserved for future use.
- V2 returns `false` for `DatabaseMetaData.supportsTransactions()` and `DatabaseMetaData.supportsSavepoints()`. This will be changed in the future development.
- In `DatabaseMetaData.getTypeInfo()`, the `LITERAL_PREFIX` and `LITERAL_SUFFIX` columns now return `null` for data types where prefixes and suffixes are not expected (e.g., numeric types).
In V1, these columns returned non-null values for such types. These columns should be used when generating SQL queries to properly quote literal values according to their data type.

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