[split 6/22] converters: Decimal128 clamp bounds, temporal range checks, replication-situation test matrix - #1361
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…on-situation test matrix - DebeziumConverter / ClickHouseDataTypeMapper / DataTypeRange: out-of-range temporal and decimal values are clamped against the bounds the ClickHouse driver actually accepts. Critical detail: BinaryStreamUtils.writeDecimal256 multiplies by 10^scale before its exclusive +-10^76 check, so DECIMAL256_MIN/MAX are invalid clamp targets at every scale - the clamp uses the Decimal128 bounds (38 digits of headroom post-scaling). Verified against the shipped driver jar. - MySQLReplicationSituationTest: new matrix covering INSERT/UPDATE/DELETE, snapshot vs stream, unsigned/boundary numerics, temporal edge values - asserting no loss and no corruption. - Expanded DebeziumConverterTest, ClickHouseDataTypeMapperTest, ClickHouseConverterTest; new DataTypeRangeTest. Part of the split of #1353 into independently mergeable sub-PRs (each <= 10 files), so the 2.10.0 branch can absorb the fixes incrementally.
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Part of the split of #1353 into independently mergeable sub-PRs (each <= 10 files), so the 2.10.0 branch can absorb the fixes incrementally.
Split out of #1353, which this series replaces. Each sub-PR is <= 10 files; the union of all 22 reproduces the #1353 tree exactly (verified by tree SHA).