Java SQL Parser Libraries: Open-Source Options for Parsing Vendor-Specific Syntax?

Querying for Java SQL Parser Libraries

Question:

For Java applications, is there an open-source library capable of parsing SQL statements? The ideal library should be configurable or flexible enough to handle vendor-specific syntax or at least ignore it (e.g., Oracle tablespace definitions or MySQL's LIMIT clause). Strict adherence to the SQL standard is also acceptable if customization isn't an option.

Answer:

ANTLR3 (ANTLR version 3):

• Provides an ANSI SQL grammar that can be used to construct custom parsers.

ANTLR4 (ANTLR version 4):

• Offers a dedicated SQL grammar for parsing purposes.

Additional Context:

The requested library serves two primary functions:

• Creating an SQL interface for non-SQL databases by mapping to internal API calls.
• Modifying SQL statements prior to their execution in actual databases (such as Oracle).

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