{% macro postgres__get_columns_in_relation(relation) -%} {% call statement('get_columns_in_relation', fetch_result=True) %} with information_schema__columns as ( SELECT (current_database())::information_schema.sql_identifier AS table_catalog, (nc.nspname)::information_schema.sql_identifier...
# 需要导入模块: from stetl.postgis import PostGIS [as 别名]# 或者: from stetl.postgis.PostGIS importget_column_names[as 别名]classPostgresDbInput(SqlDbInput):""" Input by querying records from a Postgres database. Input is a query, like SELECT * from mytable. Output is zero or more...
The output includes the column names, data types, and other table structure information. Method 3: Using the Pg_attribute Catalog Table We can also query the pg_attribute catalog table to fetch the data type of a table column. The query syntax is as follows: SELECT attname AS column_name,...
Example 5: Getting Month Names From Table’s Data A sample table named “emp_data” has already been created, whose data is enlisted in the following snippet: Let’s use the “TO_CHAR()” function to get the month names from the “joining_date” column: SELECT emp_name, joining_date,...
Using this command, we can fetch the column names for any table. Get Column Names UsingPRAGMA_TABLE_INFO Apart from thePRAGMAcommand mentioned above, we can use aPRAGMAmethod, namely,PRAGMA_TABLE_INFO, to fetch the names of all the columns of a table. The following is the syntax for the...
@@ -128,6 +129,14 @@ def get_result_from_cursor(cls, cursor: Any) -> agate.Table: return dbt.clients.agate_helper.table_from_data_flat(data, column_names) @classmethod def data_type_code_to_name(cls, type_code: Union[int, str]) -> str: """Get the string representation of the...
Use theShowStatement to Get Column Names in MySQL TheShowstatement is an alternative to theDescribestatement. The basic syntax of theshowstatement is as follows. SHOWCOLUMNSFROM`name_of_the_table`; Here,name_of_the_tablerepresents the table name containing the columns fetched. We can get the ...
$phpNames[] = $column->getPhpName(); } } 开发者ID:disider,项目名称:Propel2,代码行数:13,代码来源:SchemaValidator.php 示例3: addClosureColumn ▲点赞 5▼ protectedfunctionaddClosureColumn($name, Table $ct_table, Column $column){
debug("retrieving activiti tables from jdbc metadata"); String databaseTablePrefix = getDbSqlSession().getDbSqlSessionFactory().getDatabaseTablePrefix(); String tableNameFilter = databaseTablePrefix+"ACT_%"; if ("postgres".equals(getDbSqlSession().getDbSqlSessionFactory().getDatabaseType())) {...
A DataTable named 'tablename' already belongs to this DataSet. A field or property with the name X was not found on the selected data source A from address must be specified error when trying to send email form A good and free HTML/ASPX editor A page can have only one server-side For...