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handle extracting root using json_value #18

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merged 4 commits into from
Jan 30, 2024
Merged

handle extracting root using json_value #18

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db00a45
handle extracing root using json_value
huttotw Jan 29, 2024
5b968e7
only use colon if there is a path
huttotw Jan 30, 2024
5dbbcc1
use parse_json
huttotw Jan 30, 2024
2c9c703
only parse json in snowflake
huttotw Jan 30, 2024
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10 changes: 7 additions & 3 deletions macros/json_value.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -20,8 +20,12 @@

{%- macro snowflake__json_value(column, path, array, dtype, skip_parse) -%}
{# Remove the leading $. from the path #}
{% set path = modules.re.sub('\$\.', '', path) %}
{%- set path = modules.re.sub('\$\.?', '', path) -%}
{# Replace dots with colons in the path #}
{% set path = modules.re.sub('\.', ':', path) %}
{{column}}:{{path}}
{%- set path = modules.re.sub('\.', ':', path) -%}
{# If there is a path, prefix with a colon #}
{%- if path != '' -%}
{%- set path = ':' + path -%}
{%- endif -%}
{{column}}{{path}}
{%- endmacro -%}
10 changes: 10 additions & 0 deletions tests/json_value_child.sql
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@@ -0,0 +1,10 @@
with x as (
{%- if target.type == 'snowflake' -%}
select PARSE_JSON('{"good_key":"good_value"}') as col
{%- else -%}
select '{"good_key":"good_value"}' as col
{%- endif -%}
)
select *
from x
where {{ json_value("col", "$.good_key") }} != 'good_value'
10 changes: 10 additions & 0 deletions tests/json_value_root.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
with x as (
{%- if target.type == 'snowflake' -%}
select PARSE_JSON('{"good_key":"good_value"}') as col
{%- else -%}
select '{"good_key":"good_value"}' as col
{%- endif -%}
)
select *
from x
where {{ json_value("col", "$") }} != '{"good_key":"good_value"}'