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https://github.com/nymann/sql-column-parser
https://github.com/nymann/sql-column-parser
Last synced: 24 days ago
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- Host: GitHub
- URL: https://github.com/nymann/sql-column-parser
- Owner: nymann
- License: gpl-3.0
- Created: 2020-07-20T10:57:01.000Z (over 4 years ago)
- Default Branch: master
- Last Pushed: 2020-07-30T07:17:58.000Z (over 4 years ago)
- Last Synced: 2024-10-10T18:44:16.209Z (about 1 month ago)
- Language: Python
- Size: 35.2 KB
- Stars: 2
- Watchers: 2
- Forks: 0
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# WIP: SQL Column Parser
Library used to parse SQL `CREATE TABLE` statements into Python code used for code generation.
##### Intended usecase
*Consider the following:*
```SQL
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
CREATE TABLE users (
identifier UUID DEFAULT uuid_generate_v4(),
email VARCHAR(256) UNIQUE NOT NULL,
name VARCHAR(256) NOT NULL,
is_admin BOOLEAN DEFAULT False,
password VARCHAR(512) NOT NULL,
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (identifier)
);
CREATE INDEX users_email_idx ON users USING btree (email);
CREATE INDEX users_name_idx ON users USING btree (name);
```
The output would then be a list of columns of type:
```Py
@dataclasses.dataclass
class Table:
"""Table.
"""
columns: List[Column]
names: Names
class ColumnType(pydantic.BaseModel):
"""ColumnType.
"""
name: str
max_bytesize: Optional[pydantic.conint(ge=1)]
nullable: bool = True
default: Optional[str] = None
@dataclasses.dataclass
class Column:
"""Column.
"""
name: str
col_type: ColumnType
is_primary_key: bool
@dataclasses.dataclass
class Names():
"""Names.
"""
singular_name: str
plural_name: str
```