Pdo 2. Fix psalm

[darkdef]

Q	A
Is bugfix?	✔️
New feature?	❌
Breaks BC?	❌

[codecov]

Codecov Report

Merging #74 (180eece) into dev (45bca2a) will increase coverage by 0.57%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##                dev      #74      +/-   ##
============================================
+ Coverage     87.61%   88.18%   +0.57%     
+ Complexity      304      297       -7     
============================================
  Files            15       15              
  Lines           791      779      -12     
============================================
- Hits            693      687       -6     
+ Misses           98       92       -6     

Impacted Files	Coverage Δ
src/PDO/SchemaPDOMssql.php	85.14% <ø> (+0.93%)	⬆️
src/DMLQueryBuilder.php	100.00% <100.00%> (ø)
src/PDO/CommandPDOMssql.php	84.78% <100.00%> (+2.73%)	⬆️
src/PDO/TransactionPDOMssql.php	71.92% <0.00%> (+0.50%)	⬆️

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