From 034185871667cdfac0cf52272167f7dc226b1057 Mon Sep 17 00:00:00 2001 From: Leto_b Date: Thu, 18 Sep 2025 09:36:36 +0800 Subject: [PATCH] An identifier must begin with a letter or an underscore. --- src/UserGuide/Master/Table/SQL-Manual/Identifier.md | 2 +- src/UserGuide/latest-Table/SQL-Manual/Identifier.md | 2 +- src/zh/UserGuide/Master/Table/SQL-Manual/Identifier.md | 2 +- src/zh/UserGuide/latest-Table/SQL-Manual/Identifier.md | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) diff --git a/src/UserGuide/Master/Table/SQL-Manual/Identifier.md b/src/UserGuide/Master/Table/SQL-Manual/Identifier.md index cd695a6cf..e2b1b7e2c 100644 --- a/src/UserGuide/Master/Table/SQL-Manual/Identifier.md +++ b/src/UserGuide/Master/Table/SQL-Manual/Identifier.md @@ -25,7 +25,7 @@ In IoTDB, identifiers are used to represent the names of databases, tables, colu ## 1. Naming Rules -1. **Starting Character**: An identifier must begin with a letter. +1. **Starting Character**: An identifier must begin with a letter or an underscore. 2. **Subsequent Characters**: Identifiers can include letters, digits, and underscores. 3. **Special Characters**: If an identifier contains characters other than letters, digits, and underscores, it must be enclosed in double quotes (`"`). 4. **Escape Characters**: In double-quoted identifiers, a double quote character can be represented using two consecutive double quotes (`""`). diff --git a/src/UserGuide/latest-Table/SQL-Manual/Identifier.md b/src/UserGuide/latest-Table/SQL-Manual/Identifier.md index cd695a6cf..e2b1b7e2c 100644 --- a/src/UserGuide/latest-Table/SQL-Manual/Identifier.md +++ b/src/UserGuide/latest-Table/SQL-Manual/Identifier.md @@ -25,7 +25,7 @@ In IoTDB, identifiers are used to represent the names of databases, tables, colu ## 1. Naming Rules -1. **Starting Character**: An identifier must begin with a letter. +1. **Starting Character**: An identifier must begin with a letter or an underscore. 2. **Subsequent Characters**: Identifiers can include letters, digits, and underscores. 3. **Special Characters**: If an identifier contains characters other than letters, digits, and underscores, it must be enclosed in double quotes (`"`). 4. **Escape Characters**: In double-quoted identifiers, a double quote character can be represented using two consecutive double quotes (`""`). diff --git a/src/zh/UserGuide/Master/Table/SQL-Manual/Identifier.md b/src/zh/UserGuide/Master/Table/SQL-Manual/Identifier.md index 49364d382..a0215fb6c 100644 --- a/src/zh/UserGuide/Master/Table/SQL-Manual/Identifier.md +++ b/src/zh/UserGuide/Master/Table/SQL-Manual/Identifier.md @@ -25,7 +25,7 @@ ## 1. 命名规则 -- __开头字符__：标识符必须以字母开头。 +- __开头字符__：标识符必须以字母或下划线开头。 - __后续字符__：可以包含字母、数字和下划线。 - __特殊字符__：如果标识符包含除字母、数字和下划线之外的其他字符，必须用双引号（`"`）括起来。 - __转义字符__：在双引号定界的标识符中，使用两个连续的双引号（`""`）来表示一个双引号字符。 diff --git a/src/zh/UserGuide/latest-Table/SQL-Manual/Identifier.md b/src/zh/UserGuide/latest-Table/SQL-Manual/Identifier.md index 49364d382..a0215fb6c 100644 --- a/src/zh/UserGuide/latest-Table/SQL-Manual/Identifier.md +++ b/src/zh/UserGuide/latest-Table/SQL-Manual/Identifier.md @@ -25,7 +25,7 @@ ## 1. 命名规则 -- __开头字符__：标识符必须以字母开头。 +- __开头字符__：标识符必须以字母或下划线开头。 - __后续字符__：可以包含字母、数字和下划线。 - __特殊字符__：如果标识符包含除字母、数字和下划线之外的其他字符，必须用双引号（`"`）括起来。 - __转义字符__：在双引号定界的标识符中，使用两个连续的双引号（`""`）来表示一个双引号字符。