dbin0123
105 lines
2.9 KiB
YAML
105 lines
2.9 KiB
YAML
dialect:
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name: "HighGo"
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display_name: "HighGo DB"
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versions:
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- version: "6"
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status: "RECOMMENDED"
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types:
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- name: "SMALLINT"
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category: "INTEGER"
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- name: "INTEGER"
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category: "INTEGER"
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aliases: ["INT"]
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- name: "BIGINT"
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category: "INTEGER"
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- name: "REAL"
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category: "FLOAT"
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- name: "DOUBLE PRECISION"
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category: "FLOAT"
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- name: "NUMERIC"
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category: "DECIMAL"
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has_precision: true
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- name: "VARCHAR"
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category: "STRING"
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has_length: true
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- name: "CHAR"
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category: "STRING"
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has_length: true
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- name: "TEXT"
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category: "STRING"
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- name: "BYTEA"
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category: "BINARY"
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- name: "DATE"
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category: "DATE"
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- name: "TIMESTAMP"
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category: "DATETIME"
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- name: "BOOLEAN"
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category: "BOOLEAN"
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ddl_capabilities:
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add_column: true
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drop_column: true
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rename_column: true
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alter_column_type: true
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comment: true
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create_index: true
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drop_index: true
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foreign_key: true
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create_table: true
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drop_table: true
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truncate_table: true
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create_function: true
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drop_function: true
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create_sequence: true
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drop_sequence: true
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alter_owner: true
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if_not_exists: true
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transactional_ddl: true
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templates:
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add_column: "ALTER TABLE {table} ADD COLUMN {column} {type}"
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drop_column: "ALTER TABLE {table} DROP COLUMN {column}"
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rename_column: "ALTER TABLE {table} RENAME COLUMN {old} TO {new}"
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modify_column: "ALTER TABLE {table} ALTER COLUMN {column} TYPE {type}"
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create_table: "CREATE TABLE IF NOT EXISTS {table} ({columns})"
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drop_table: "DROP TABLE IF EXISTS {table}"
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rollback_templates:
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add_column: "ALTER TABLE {table} DROP COLUMN {column}"
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drop_column: "ALTER TABLE {table} ADD COLUMN {column} {original_type}"
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rename_column: "ALTER TABLE {table} RENAME COLUMN {new} TO {old}"
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online_safety:
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add_column:
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level: "NON_BLOCKING"
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cost: "LOW"
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destruction_level:
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drop_table: "FATAL"
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truncate: "DANGEROUS"
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structural_capabilities:
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supports_schemas: true
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max_columns_per_table: 1600
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max_indexes_per_table: 100
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max_query_size_bytes: 268435456
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max_foreign_key_name_length: 63
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supports_sequences: true
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identifier_rules:
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quote_char: '"'
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case_sensitive: true
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max_length: 63
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metadata_queries:
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list_tables:
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sql: "SELECT tablename FROM pg_catalog.pg_tables WHERE schemaname = '{schema}'"
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performance_profile: "LIGHT"
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list_columns:
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sql: "SELECT column_name, data_type, is_nullable, column_default FROM information_schema.columns WHERE table_schema = '{schema}' AND table_name = '{table}' ORDER BY ordinal_position"
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performance_profile: "MEDIUM"
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dependencies:
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sql: "SELECT tc.table_name, ccu.table_name AS ref_table FROM information_schema.table_constraints tc JOIN information_schema.constraint_column_usage ccu ON tc.constraint_name = ccu.constraint_name WHERE tc.constraint_type = 'FOREIGN KEY' AND tc.table_schema = '{schema}'"
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depth_support: 2
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performance_profile: "HEAVY"
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