Add missing timestamp and rust_decimal #503
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phillipleblanc
approved these changes
Nov 26, 2025
sea-query 0.32.x panics with 'assertion failed: precision <= 16' when generating SQLite DDL for decimal types with precision > 16. Since SQLite stores decimals as REAL (float64) anyway, map Decimal128 and Decimal256 types to ColumnType::Double before generating the DDL. This fixes crashes when accelerating PostgreSQL tables with numeric columns (default precision 38) to SQLite. Includes test for high-precision decimal handling.
The prepared statement insert path was storing timestamps as integer seconds, but SQLite's datetime functions expect TEXT in ISO 8601 format. This caused round-trip failures where timestamps were read back as NULL. Now timestamps are formatted as RFC3339 strings (or ISO 8601 without timezone suffix for naive timestamps), matching how the legacy InsertBuilder path formats them. Also adds a helper function to parse timezone offset strings like '+10:00' to seconds for proper timezone handling. Fixes spiceai/spiceai#7629
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This pull request introduces minor dependency and test coverage improvements. The most notable changes are the addition of a new dependency for MongoDB-related features and expanded roundtrip test cases for timestamp data types in SQLite and DuckDB.
Dependency update:
rust_decimaldependency to the MongoDB feature set incore/Cargo.toml, which may be required for handling decimal types in MongoDB integrations.Test coverage improvements:
timestampdata type for both SQLite and DuckDB providers incore/tests/roundtrip/mod.rs, increasing coverage for these database types.