The datetime_field_overflow error (SQLSTATE 22008) appears when a date or time value contains a field outside its valid range, such as month 13 or hour 25.
datetime_field_overflow (SQLSTATE 22008) means a date or time part is outside its allowed range, like 2024-13-01 or 25:00:00. Correct the invalid component or cast the value safely to fix the error.
datetime_field_overflow
PostgreSQL raises datetime_field_overflow (SQLSTATE 22008) when it parses a date, time, or timestamp literal whose components exceed allowed ranges. The server validates each field - year, month, day, hour, minute, second - during casting, input, or arithmetic. A single out-of-range value aborts the statement.
The error can appear in INSERT, UPDATE, COPY, CAST, interval arithmetic, and function calls that return datetime types. Fixing it preserves data integrity and prevents silent corruption.
Invalid literal values like '2024-13-01' or '2024-02-30' exceed calendar limits and trigger the overflow check during parsing.
Wrong time parts such as '25:10:00' or '12:70:00' surpass 24-hour or 60-minute bounds and fail the cast.
Arithmetic that adds months or seconds beyond valid ranges can overflow if not normalized (e.g., SELECT '2024-01-31'::date + INTERVAL '1 month').
Locale or format mismatches—using MM-DD-YYYY when PostgreSQL expects DD-MM-YYYY—swap fields and create impossible values.
Validate input data before insertion. Check each part with regex or the make_date and make_time functions to ensure valid ranges.
Normalize arithmetic with the date_trunc or justify_interval functions so overflow carries correctly rather than failing.
Use parameterized queries and CAST to avoid implicit format misinterpretation.
Repair faulty rows by updating them with corrected values or deleting bad data before re-loading through COPY.
Bulk CSV import - Failures occur on bad rows. Load into a staging table with all text columns, validate, then cast into the final table.
String concatenation of dates - Application code may build 'YYYY-13-01'. Rewrite to use to_char or formatting helpers.
Month-end math - Adding 1 month to January 31 raises overflow. Use: SELECT (date_trunc('month', d) + INTERVAL '1 month')::date - 1.
Timezone conversions - Converting timestamps across daylight-saving boundaries can overflow intervals.
Cast with AT TIME ZONE and test edge cases.
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Enable strict input validation at the application layer and reject malformed dates early.
Store dates and times in standardized ISO-8601 strings or as native date/time types inside Galaxy’s SQL editor to leverage server-side checks.
Always parameterize queries in Galaxy to prevent user-supplied literals from bypassing validation.
Monitor logs for SQLSTATE 22008 and set alerts to catch systematic issues quickly.
invalid_datetime_format (22007) - Raised when overall format is wrong rather than field overflow; fix by matching ISO-8601.
interval_field_overflow (22015) - Similar overflow but for interval types; adjust interval parts.
date_out_of_range (22008 on some builds) - Occurs when date is outside supported Julian range; use wider data type or correct the year.
invalid_parameter_value (22023) - Appears when function parameters for date operations are nonsensical; supply valid arguments.
February has 29 days only in leap years. PostgreSQL validates the day field and raises overflow when it exceeds the month's length.
No. Unlike some databases, PostgreSQL rejects invalid dates rather than rolling them forward, ensuring data integrity.
Checks are integral to the type system and cannot be disabled. Input must pass validation or be stored as text.
Galaxy's AI copilot validates literals, surfaces SQLSTATE 22008 instantly, and suggests corrected make_date or make_timestamp calls.
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