docs: PostgreSQL compatibility and decimal types for tutorials#138
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dimitri-yatsenko wants to merge 4 commits intomainfrom
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docs: PostgreSQL compatibility and decimal types for tutorials#138dimitri-yatsenko wants to merge 4 commits intomainfrom
dimitri-yatsenko wants to merge 4 commits intomainfrom
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Change sum(correct) to sum(CASE WHEN correct THEN 1 ELSE 0 END) PostgreSQL doesn't support summing booleans directly. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Use single quotes for string literals in SQL expressions. PostgreSQL treats double quotes as identifiers. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Change float32 to decimal for weight, duration, frame_rate - Decimal is more appropriate for manually entered values - Float remains for computed values and measurements Affected tutorials: - 01-first-pipeline: duration in Recording - 03-data-entry: duration in Session - 04-queries: weight in Subject, duration in Session - 06-object-storage: frame_rate in ImagingSession Also fixes: - PostgreSQL boolean aggregation (sum(correct) -> CASE WHEN) - PostgreSQL string quoting (double -> single quotes) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Change reaction_time from float32 to decimal(3,2) in all tutorials - Add explicit decimal-to-float conversion in computation code - Decimal values from database need .astype(float) for numpy operations Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
decimaltype for human-entered numeric fields (weight, duration, frame_rate)Changes
PostgreSQL Fixes
sum(correct)→sum(CASE WHEN correct THEN 1 ELSE 0 END)Type Improvements
float32todecimalfor manually entered values (weight, duration, frame_rate)floatfor computed values and measurementsDocumentation
heading.secondary_attributes)scripts/execute-notebooks.shfor reproducible notebook executionTest plan
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