perf: Optimize metadata records processing in `SqlStorageClient` #170

Job	Run time
PR title check	3s
Code checks / Spell check	7s
Code checks / Type check / Type check (3.11)	30s
Code checks / Lint check / Lint check (3.11)	29s
Code checks / Type check / Type check (3.12)	29s
Code checks / Lint check / Lint check (3.14)	29s
Code checks / Lint check / Lint check (3.10)	34s
Code checks / Lint check / Lint check (3.12)	39s
Code checks / Type check / Type check (3.13)	27s
Code checks / Lint check / Lint check (3.13)	29s
Code checks / Actions lint check	30s
Code checks / Type check / Type check (3.14)	28s
Code checks / Type check / Type check (3.10)	27s
Tests / Unit tests / Unit tests (windows-latest, 3.11)	7m 27s
Tests / Unit tests / Unit tests (windows-latest, 3.14)	5m 3s
Tests / Unit tests / Unit tests (macos-latest, 3.11)	15m 34s
Tests / Unit tests / Unit tests (windows-latest, 3.10)	7m 45s
Tests / Unit tests / Unit tests (macos-latest, 3.14)	9m 56s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.11)	4m 26s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.12)	5m 10s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.13)	4m 44s
Tests / Unit tests / Unit tests (macos-latest, 3.12)	11m 1s
Tests / Unit tests / Unit tests (windows-latest, 3.13)	6m 48s
Tests / Unit tests / Unit tests (windows-latest, 3.12)	7m 31s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.10)	4m 46s
Tests / Unit tests / Unit tests (macos-latest, 3.10)	11m 33s
Tests / Unit tests / Unit tests (macos-latest, 3.13)	13m 52s
Doc checks / Doc checks / Docs check	1m 51s
Tests / Unit tests / Unit tests (ubuntu-latest, 3.14)	3m 35s
	2h 6m 43s

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