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db_create_mysql.sql: note for utf8mb4 (MySQL)

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git-svn-id: https://svn.fhem.de/fhem/trunk@27240 2b470e98-0d58-463d-a4d8-8e2adae1ed80
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nasseeder1 2023-02-16 21:48:55 +00:00
parent fb17d24bbb
commit fe136dff34
1 changed files with 9 additions and 11 deletions
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fhem/contrib/dblog/db_create_mysql.sql
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@ -2,26 +2,24 @@
# Note: # Note:
# ===== # =====
# The default installation of the MySQL/MariaDB database provides # The default installation of the MySQL/MariaDB database provides
# for the use of the <b>utf8_bin</b> collation. # for the use of the utf8mb4_bin collation.
# With this setting, characters up to 3 bytes long can be stored, # With this setting characters up to 4 bytes long (e.g. emojis) can be stored.
# which is generally sufficient for FHEM.
# However, if characters with a length of 4 bytes (e.g. emojis)
# are to be stored in the database, the utf8mb4
# character set must be used.
# #
# in this case the MySQL/MariaDB database would be created with the # If the MySQL/MariaDB version used does not offer utf8mb4 for some reason, utf8
# can be used instead.
# In this case the MySQL/MariaDB database would be created with the
# following statement: # following statement:
# #
# CREATE DATABASE `fhem` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_bin; # CREATE DATABASE `fhem` DEFAULT CHARACTER SET utf8 COLLATE utf8_bin;
# #
# instead of the statement: # instead of the statement:
# #
# CREATE DATABASE `fhem` DEFAULT CHARACTER SET utf8 COLLATE utf8_bin; # CREATE DATABASE `fhem` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;
# #
# shown in the first line below. # shown in the first line below.
# #
################################################################################## ##################################################################################
CREATE DATABASE `fhem` DEFAULT CHARACTER SET utf8 COLLATE utf8_bin; CREATE DATABASE `fhem` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;
CREATE USER 'fhemuser'@'%' IDENTIFIED BY 'fhempassword'; CREATE USER 'fhemuser'@'%' IDENTIFIED BY 'fhempassword';
CREATE TABLE `fhem`.`history` (TIMESTAMP TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, DEVICE varchar(64), TYPE varchar(64), EVENT varchar(512), READING varchar(64), VALUE varchar(128), UNIT varchar(32)); CREATE TABLE `fhem`.`history` (TIMESTAMP TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, DEVICE varchar(64), TYPE varchar(64), EVENT varchar(512), READING varchar(64), VALUE varchar(128), UNIT varchar(32));
CREATE TABLE `fhem`.`current` (TIMESTAMP TIMESTAMP, DEVICE varchar(64), TYPE varchar(64), EVENT varchar(512), READING varchar(64), VALUE varchar(128), UNIT varchar(32)); CREATE TABLE `fhem`.`current` (TIMESTAMP TIMESTAMP, DEVICE varchar(64), TYPE varchar(64), EVENT varchar(512), READING varchar(64), VALUE varchar(128), UNIT varchar(32));