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Fix pivot.sql #5

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Fix pivot.sql #5

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5163b92
Fix pivot.sql
harmtemolder Dec 15, 2020
3586cda
Add backticks to function call
harmtemolder Dec 15, 2020
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16 changes: 8 additions & 8 deletions util/pivot.sql
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
CREATE OR REPLACE FUNCTION
CREATE OR REPLACE FUNCTION
`fhoffa.x.normalize_col_name`(col_name STRING) AS (
REGEXP_REPLACE(col_name,r'[/+#|]', '_'
)
REGEXP_REPLACE(col_name,r'[/+#|]', '_')
);

CREATE OR REPLACE PROCEDURE `fhoffa.x.pivot`(
table_name STRING
, destination_table STRING
Expand All @@ -15,15 +15,15 @@ CREATE OR REPLACE PROCEDURE `fhoffa.x.pivot`(
)
BEGIN
DECLARE pivotter STRING;

EXECUTE IMMEDIATE (
"SELECT STRING_AGG(' "||aggregation
||"""(IF('||@pivot_col_name||'="'||x.value||'", '||@pivot_col_value||', null)) e_'||fhoffa.x.normalize_col_name(x.value))
||"""(IF('||@pivot_col_name||'="'||x.value||'", '||@pivot_col_value||', null)) e_'||`fhoffa.x.normalize_col_name`(x.value))
FROM UNNEST((
SELECT APPROX_TOP_COUNT("""||pivot_col_name||", @max_columns) FROM `"||table_name||"`)) x"
) INTO pivotter
) INTO pivotter
USING pivot_col_name AS pivot_col_name, pivot_col_value AS pivot_col_value, max_columns AS max_columns;

EXECUTE IMMEDIATE (
'CREATE OR REPLACE TABLE `'||destination_table
||'` AS SELECT '
Expand Down