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0019.sql
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0019.sql
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-- August 19, 2015
-- Convert date and time columns from varchar to proper formats
ALTER TABLE ag.ag_kit_barcodes
ALTER COLUMN sample_time TYPE time without time zone
USING CASE
WHEN lower(trim(both ' ' FROM sample_time)) ~ '(00|1[3-9]|2[0-3])\:.*' THEN
to_timestamp(trim(both ' pPaAmM' FROM sample_time), 'HH24:MI')
WHEN lower(trim(both ' ' FROM sample_time)) ~ '[0-9]{1,2}\:[0-9]{2} {0,1}am' THEN
to_timestamp(trim(both ' aAmM' FROM sample_time), 'HH12:MI am')
WHEN lower(trim(both ' ' FROM sample_time)) ~ '[0-9]{1,2}\:[0-9]{2} {0,1}pm' THEN
to_timestamp(trim(both ' pPmM' FROM sample_time), 'HH12:MI pm') + interval '12 hours'
WHEN lower(trim(both ' ' FROM sample_time)) ~ '[0-9]{1,2}\.[0-9]{2} {0,1}am' THEN
to_timestamp(trim(both ' aAmM' FROM sample_time), 'HH12.MI am')
WHEN lower(trim(both ' ' FROM sample_time)) ~ '[0-9]{1,2}\.[0-9]{2} {0,1}pm' THEN
to_timestamp(trim(both ' pPmM' FROM sample_time), 'HH12.MI pm') + interval '12 hours'
ELSE
NULL
END;
ALTER TABLE ag.ag_kit_barcodes
ALTER COLUMN sample_date TYPE date
USING CASE
WHEN trim(both ' ' FROM sample_date) ~ '[0-9]{1,2}/[0-9]{1,2}/[0-9]{4}' THEN
to_timestamp(trim(both ' ' FROM sample_date), 'MM/DD/YYYY')
WHEN trim(both ' ' FROM sample_date) ~ '[0-9]{1,2}/[0-9]{1,2}/[0-9]{2}' THEN
to_timestamp(trim(both ' ' FROM sample_date), 'MM/DD/YY')
ELSE
NULL
END;
ALTER TABLE ag.ag_kit_barcodes
ALTER COLUMN date_of_last_email TYPE date
USING CASE
WHEN trim(both ' ' FROM date_of_last_email) ~ '[0-9]{1,2}/[0-9]{1,2}/[0-9]{4}' THEN
to_timestamp(trim(both ' ' FROM date_of_last_email), 'MM/DD/YYYY')
WHEN trim(both ' ' FROM date_of_last_email) ~ '[0-9]{1,2}/[0-9]{1,2}/[0-9]{2}' THEN
to_timestamp(trim(both ' ' FROM date_of_last_email), 'MM/DD/YY')
ELSE
NULL
END;
ALTER TABLE barcodes.barcode
ALTER COLUMN scan_date TYPE date
USING CASE
WHEN trim(both ' ' FROM scan_date) ~ '[0-9]{1,2}/[0-9]{1,2}/[0-9]{4}' THEN
to_timestamp(left(scan_date,10), 'MM/DD/YYYY')
WHEN trim(both ' ' FROM scan_date) ~ '[0-9]{1,2}/[0-9]{1,2}/[0-9]{2}' THEN
to_timestamp(left(scan_date,8), 'MM/DD/YY')
ELSE
NULL
END;
ALTER TABLE barcodes.barcode
ALTER COLUMN sample_postmark_date TYPE date
USING CASE
WHEN trim(both ' ' FROM sample_postmark_date) ~ '[0-9]{1,2}/[0-9]{1,2}/[0-9]{4}' THEN
to_timestamp(left(sample_postmark_date,10), 'MM/DD/YYYY')
WHEN trim(both ' ' FROM sample_postmark_date) ~ '[0-9]{1,2}/[0-9]{1,2}/[0-9]{2}' THEN
to_timestamp(left(sample_postmark_date,8), 'MM/DD/YY')
ELSE
NULL
END;