Precalculate and reuse the vParquet3 schema before opening blocks - #3367
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This saves a small amount of CPU time when blocks are opened
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…afana#3367) * Precalculate and reuse the vParquet3 schema before opening blocks This saves a small amount of CPU time when blocks are opened * Update CHANGELOG.md
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What this PR does:
Precalculate and reuse the vParquet3 schema. This performance optimization saves a small amount of CPU time when blocks are opened for search
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]