jsonb to array postgresql

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jsonb to array postgresql

Operator, Right Operand Type, Description, Example, Example Result. ->, int, Get JSON array element (indexed from zero, negative integers count from the end) ... ,Operator, Right Operand Type, Description, Example, Example Result. ->, int, Get JSON array element (indexed from zero, negative integers count from the end) ... ,Table 9-40 shows the operators that are available for use with JSON (see Section ... A PostgreSQL multidimensional array becomes a JSON array of arrays. ,Operator, Right Operand Type, Description, Example, Example Result. ->, int, Get JSON array element (indexed from zero), '["a":"foo"},"b":"bar"} ... ,Operator, Right Operand Type, Description, Example, Example Result. ->, int, Get JSON array element (indexed from zero, negative integers count from the end) ... ,Operator, Right Operand Type, Description, Example, Example Result. ->, int, Get JSON array element (indexed from zero, negative integers count from the end) ... , The setup in the question should look like this: create table a_table (id int, data json); insert into a_table values (1, '"bookIds": [1,2,3,5], ...,jsonb_array_elements_text(jsonb) To unnest the JSON array. Then use array_agg() or an ARRAY constructor to build a Postgres array from it. Or string_agg() to build a text string. Aggregate unnested elements per row in a LATERAL or correlated subquery. , There is no single operation, which can help you, but you have a few options: 1. If you have a small (and fixed) number of ids to query, you can ..., The problem arises because ->> operator cannot walk through array: First unnest your json array using json_array_elements function;; Then ...

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PostgreSQL (64-bit)
PostgreSQL 64 位是一個功能強大的開源對象關係數據庫系統。它擁有超過 15 年的積極開發和經過驗證的架構,在可靠性,數據完整性和正確性方面贏得了良好聲譽。它運行在所有主要的操作系統上,包括 Linux,UNIX(AIX,BSD,HP-UX,SGI IRIX,Mac OS X,Solaris,Tru64)和 Windows。  PostgreSQL 64 位是一個功能強大的對象... PostgreSQL (64-bit) 軟體介紹

jsonb to array postgresql 相關參考資料
Documentation: 10: 9.15. JSON Functions and ... - PostgreSQL

Operator, Right Operand Type, Description, Example, Example Result. ->, int, Get JSON array element (indexed from zero, negative integers count from the end) ...

https://www.postgresql.org

Documentation: 11: 9.15. JSON Functions and ... - PostgreSQL

Operator, Right Operand Type, Description, Example, Example Result. ->, int, Get JSON array element (indexed from zero, negative integers count from the end) ...

https://www.postgresql.org

Documentation: 9.3: JSON Functions and ... - PostgreSQL

Table 9-40 shows the operators that are available for use with JSON (see Section ... A PostgreSQL multidimensional array becomes a JSON array of arrays.

https://www.postgresql.org

Documentation: 9.4: JSON Functions and ... - PostgreSQL

Operator, Right Operand Type, Description, Example, Example Result. ->, int, Get JSON array element (indexed from zero), '["a":"foo"},"b":"bar"} ......

https://www.postgresql.org

Documentation: 9.5: JSON Functions and ... - PostgreSQL

Operator, Right Operand Type, Description, Example, Example Result. ->, int, Get JSON array element (indexed from zero, negative integers count from the end) ...

https://www.postgresql.org

Documentation: 9.6: JSON Functions and ... - PostgreSQL

Operator, Right Operand Type, Description, Example, Example Result. ->, int, Get JSON array element (indexed from zero, negative integers count from the end) ...

https://www.postgresql.org

How to convert json array into postgres int array in postgres 9.3 ...

The setup in the question should look like this: create table a_table (id int, data json); insert into a_table values (1, '"bookIds": [1,2,3,5], ...

https://stackoverflow.com

How to turn json array into postgres array? - Database ...

jsonb_array_elements_text(jsonb) To unnest the JSON array. Then use array_agg() or an ARRAY constructor to build a Postgres array from it. Or string_agg() to build a text string. Aggregate unnested el...

https://dba.stackexchange.com

Postgresql query array of objects in JSONB field - Stack Overflow

There is no single operation, which can help you, but you have a few options: 1. If you have a small (and fixed) number of ids to query, you can ...

https://stackoverflow.com

Querying Postgres 9.6 JSONB array of objects - Stack Overflow

The problem arises because ->> operator cannot walk through array: First unnest your json array using json_array_elements function;; Then ...

https://stackoverflow.com