小编May*_*nkJ的帖子

我在 Ubuntu 机器上使用 PostgreSQL 9.5.10。我需要编写一个 SQL 查询来从 JSONB 列中选择数据。但是 JSONB 列包含 YAML 格式的数据作为字符串而不是 JSON 格式。

数据库 JSONB 字段返回以下数据：

"---\nemployee:\n reference: '6'\n first_name: Test\n last_name: Test\n email: test@test.test.edu\n new_title: Manager in Training\n former_title: N/A\n annual_salary: 5000000\n new_salary_grade: '10'\n annual_salary_currency: USD\n former_salary_grade: N/A\norigin_address:\n country_alpha3: USA\n country_name: USA\n"

如果我们有来自 JSONB 列的 JSON 数据，例如：

{"employee": {"reference": "6", "first_name": "Test", "last_name": "Test", "email": "test@test.test.edu", "new_title": "Manager in Training", "former_title": "N/A", "annual_salary": 5000000, "new_salary_grade": "10", "annual_salary_currency": "USD", "former_salary_grade": "N/A"}, "origin_address": {"country_alpha3": "USA", "country_name": "USA"}}

然后我们可以在 JSONB …