CQLAI Features

Comprehensive guide to CQLAI’s features and capabilities.

Shell Features

Syntax Highlighting

CQLAI provides real-time syntax highlighting for:

• CQL keywords (SELECT, INSERT, CREATE, etc.)
• Table and keyspace names
• Data types
• String literals
• Numbers
• Comments

Auto-Completion

cqlai> SEL<Tab>
SELECT

cqlai> SELECT * FROM us<Tab>
users    user_events    user_sessions

cqlai> SELECT * FROM users WHERE user_<Tab>
user_id    user_name    user_email

Multi-Line Queries

cqlai> SELECT user_id,
   ...>        username,
   ...>        email
   ...> FROM users
   ...> WHERE user_id = 123e4567-e89b-12d3-a456-426614174000;

Query History

# Search history
Ctrl+R: search history

# View history
cqlai> .history

# Execute from history
cqlai> !42  # Run command #42

Output Formats

Table Format (Default)

cqlai> SELECT * FROM users LIMIT 3;

┌──────────────────────────────────────┬──────────┬─────────────────────┐
│ user_id                              │ username │ email               │
├──────────────────────────────────────┼──────────┼─────────────────────┤
│ 123e4567-e89b-12d3-a456-426614174000 │ alice    │ alice@example.com   │
│ 223e4567-e89b-12d3-a456-426614174001 │ bob      │ bob@example.com     │
│ 323e4567-e89b-12d3-a456-426614174002 │ charlie  │ charlie@example.com │
└──────────────────────────────────────┴──────────┴─────────────────────┘
3 rows

JSON Format

cqlai> .format json
cqlai> SELECT * FROM users LIMIT 1;

{
  "user_id": "123e4567-e89b-12d3-a456-426614174000",
  "username": "alice",
  "email": "alice@example.com"
}

CSV Format

cqlai> .format csv
cqlai> SELECT * FROM users LIMIT 3;

user_id,username,email
123e4567-e89b-12d3-a456-426614174000,alice,alice@example.com
223e4567-e89b-12d3-a456-426614174001,bob,bob@example.com

Vertical Format

cqlai> .format vertical
cqlai> SELECT * FROM users LIMIT 1;

*************************** 1. row ***************************
 user_id: 123e4567-e89b-12d3-a456-426614174000
username: alice
   email: alice@example.com

Schema Commands

Describe Keyspace

cqlai> DESCRIBE KEYSPACE my_keyspace;

CREATE KEYSPACE my_keyspace WITH replication = {
  'class': 'NetworkTopologyStrategy',
  'dc1': 3
} AND durable_writes = true;

Describe Table

cqlai> DESCRIBE TABLE users;

CREATE TABLE my_keyspace.users (
    user_id uuid PRIMARY KEY,
    username text,
    email text,
    created_at timestamp
) WITH bloom_filter_fp_chance = 0.01
    AND caching = {'keys': 'ALL', 'rows_per_partition': 'NONE'}
    AND compaction = {'class': 'LeveledCompactionStrategy'}
    ...

Quick Description

cqlai> .desc users

Table: users
Keyspace: my_keyspace

Columns:
  user_id     uuid        partition key
  username    text
  email       text
  created_at  timestamp

Indexes: none

Query Execution

Consistency Level

cqlai> CONSISTENCY LOCAL_QUORUM;
Consistency level set to LOCAL_QUORUM.

cqlai> SELECT * FROM users;

Tracing

cqlai> TRACING ON;
cqlai> SELECT * FROM users WHERE user_id = ?;

Tracing session: abc123
Activity                                   | Timestamp     | Source
-------------------------------------------+---------------+-----------
Execute CQL3 query                         | 10:30:45.123  | 192.168.1.10
Parsing SELECT * FROM users WHERE...       | 10:30:45.124  | 192.168.1.10
Executing single-partition query on users  | 10:30:45.125  | 192.168.1.10
...

Paging

cqlai> .page 50
Page size set to 50.

cqlai> SELECT * FROM large_table;
[First 50 rows displayed]
-- Press Enter for more, q to quit --

Connection Management

Multiple Connections

cqlai> .connect production -h prod-cluster.example.com -u admin
Connected to production.

cqlai> .connect staging -h staging.example.com
Connected to staging.

cqlai> .switch production
Switched to production.

Connection Status

cqlai> .status

Connection: production
Host: prod-cluster.example.com:9042
Keyspace: my_keyspace
User: admin
Protocol: v4
Consistency: LOCAL_QUORUM

Scripting

Execute Script File

# From command line
cqlai -f script.cql

# From shell
cqlai> SOURCE '/path/to/script.cql';

Script Example

-- script.cql
USE my_keyspace;

-- Create tables
CREATE TABLE IF NOT EXISTS events (
    event_id uuid PRIMARY KEY,
    event_type text,
    payload text
);

-- Insert test data
INSERT INTO events (event_id, event_type, payload)
VALUES (uuid(), 'test', '{"data": "value"}');

-- Verify
SELECT * FROM events;

Batch Mode

# Non-interactive execution
echo "SELECT * FROM users LIMIT 5;" | cqlai -h localhost

# Pipe results
cqlai -h localhost -e "SELECT * FROM users" | grep "alice"

Utility Commands

Clear Screen

cqlai> .clear

Show Settings

cqlai> .settings

Current Settings:
  Host: localhost:9042
  Keyspace: my_keyspace
  Consistency: LOCAL_QUORUM
  Page size: 100
  Format: table
  Color: enabled
  AI Provider: openai

Help

cqlai> .help

Available Commands:
  .ai <prompt>        Natural language to CQL
  .clear              Clear screen
  .connect            Manage connections
  .desc <table>       Quick table description
  .export             Export data
  .format <type>      Set output format
  .help               Show this help
  .history            Show command history
  .import             Import data
  .page <size>        Set page size
  .settings           Show current settings
  .status             Connection status

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Next Steps

• AI Features - AI capabilities
• Data Import/Export - Data migration
• Configuration - Advanced settings