修复PostgreSQL数据库下，添加项目成员和全文搜索时发生的SQL语法兼容性错误 (#986)

* FixedBUG: pq: 不支持 LIMIT #,# 语法

* FixedBug: 修复全文搜索时，因不兼容PostgreSQL发生的语法错误

* 读取 dbadapter 以尽可能的兼容不同数据库

Author: iotames

models/DocumentSearchResult.go

@@ -1,6 +1,7 @@
 package models
 
 import (
+	"fmt"
 	"regexp"
 	"strings"
 	"time"
@@ -36,6 +37,15 @@ func need_escape(keyword string) bool {
 	return false
 }
 
+func escape_name(name string) string {
+	dbadapter, _ := web.AppConfig.String("db_adapter")
+	ch := "`"
+	if strings.EqualFold(dbadapter, "postgres") {
+		ch = `"`
+	}
+	return fmt.Sprintf("%s%s%s", ch, name, ch)
+}
+
 func NewDocumentSearchResult() *DocumentSearchResult {
 	return &DocumentSearchResult{}
 }
@@ -294,7 +304,7 @@ WHERE (book.privately_owned = 0 OR rel1.relationship_id > 0 or team.team_member_
 func (m *DocumentSearchResult) SearchDocument(keyword string, bookId int) (docs []*DocumentSearchResult, err error) {
 	o := orm.NewOrm()
 
-	sql := "SELECT * FROM md_documents WHERE book_id = ? AND (document_name LIKE ? OR `release` LIKE ?) "
+	sql := fmt.Sprintf("SELECT * FROM md_documents WHERE book_id = ? AND (document_name LIKE ? OR %s LIKE ?) ", escape_name("release"))
 	keyword = "%" + keyword + "%"
 
 	_need_escape := need_escape(keyword)
@@ -304,7 +314,6 @@ func (m *DocumentSearchResult) SearchDocument(keyword string, bookId int) (docs
 		}
 		return sql
 	}
-
 	_, err = o.Raw(escape_sql(sql), bookId, keyword, keyword).QueryRows(&docs)
 
 	return
@@ -314,7 +323,7 @@ func (m *DocumentSearchResult) SearchDocument(keyword string, bookId int) (docs
 func (m *DocumentSearchResult) SearchAllDocument(keyword string) (docs []*DocumentSearchResult, err error) {
 	o := orm.NewOrm()
 
-	sql := "SELECT * FROM md_documents WHERE (document_name LIKE ? OR `release` LIKE ?) "
+	sql := fmt.Sprintf("SELECT * FROM md_documents WHERE (document_name LIKE ? OR %s LIKE ?) ", escape_name("release"))
 	keyword = "%" + keyword + "%"
 
 	_need_escape := need_escape(keyword)

models/MemberResult.go

@@ -115,7 +115,7 @@ func (m *MemberRelationshipResult) FindNotJoinUsersByAccount(bookId, limit int,
 func (m *MemberRelationshipResult) FindNotJoinUsersByAccountOrRealName(bookId, limit int, keyWord string) ([]*Member, error) {
 	o := orm.NewOrm()
 
-	sql := "SELECT m.* FROM md_members as m LEFT JOIN md_relationship as rel ON rel.member_id = m.member_id AND rel.book_id = ? WHERE rel.relationship_id IS NULL AND (m.real_name LIKE ? OR m.account LIKE ?) LIMIT 0,?;"
+	sql := "SELECT m.* FROM md_members as m LEFT JOIN md_relationship as rel ON rel.member_id = m.member_id AND rel.book_id = ? WHERE rel.relationship_id IS NULL AND (m.real_name LIKE ? OR m.account LIKE ?) LIMIT ? OFFSET 0;"
 
 	var members []*Member