Remove and add note about IF NOT EXISTS; Fixes #254

content/influxdb/v0.10/query_language/database_management.md

@@ -38,18 +38,15 @@ The `CREATE DATABASE` query takes the following form:
 CREATE DATABASE [IF NOT EXISTS] <database_name> [WITH [DURATION <duration>] [REPLICATION <n>] [NAME <retention-policy-name>]]
 ```
 
+> **Note:** The `IF NOT EXISTS` clause does nothing, is deprecated, and will be removed in InfluxDB version 0.12.
+The `CREATE DATABASE` query will return successfully with no error when a new database is created or if the database already exists.
+
 Create the database ` NOAA_water_database`:
 ```bash
 > CREATE DATABASE NOAA_water_database
 >
 ```
 
-Create the database `NOAA_water_database` only if it doesn't exist:
-```bash
-> CREATE DATABASE IF NOT EXISTS NOAA_water_database
->
-```
-
 Create the database `NOAA_water_database` with a new retention policy called `liquid`:
 ```bash
 > CREATE DATABASE NOAA_water_database WITH DURATION 3d REPLICATION 3 NAME liquid

content/influxdb/v0.10/query_language/spec.md

@@ -317,16 +317,13 @@ END;
 ### CREATE DATABASE
 
 ```
-create_database_stmt = "CREATE DATABASE" ["IF NOT EXISTS"] db_name
+create_database_stmt = "CREATE DATABASE" db_name
 ```
 
 #### Examples:
 
 ```sql
 CREATE DATABASE foo
-
--- create a database if it doesn't already exist
-CREATE DATABASE IF NOT EXISTS foo
 ```
 
 ### CREATE RETENTION POLICY

content/influxdb/v0.10/tools/shell.md

@@ -202,7 +202,7 @@ Example:
 File (`datarrr.txt`):
 ```
 # DDL
-CREATE DATABASE IF NOT EXISTS pirates
+CREATE DATABASE pirates
 CREATE RETENTION POLICY oneday ON pirates DURATION 1d REPLICATION 1
 
 # DML