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Reduce boilerplate in the currently defunct mssql.go and pgsql.go

This commit is contained in:
Azareal 2019-10-31 17:25:56 +10:00
parent 2614141af0
commit c928c84c95
3 changed files with 362 additions and 379 deletions
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4
gen_mssql.go
View File

@ -45,10 +45,10 @@ func _gen_mssql() (err error) {
} }
common.DebugLog("Preparing getForumTopics statement.") common.DebugLog("Preparing getForumTopics statement.")
stmts.getForumTopics, err = db.Prepare("SELECT [topics].[tid],[topics].[title],[topics].[content],[topics].[createdBy],[topics].[is_closed],[topics].[sticky],[topics].[createdAt],[topics].[lastReplyAt],[topics].[parentID],[users].[name],[users].[avatar] FROM [topics] LEFT JOIN [users] ON [topics].[createdBy] = [users].[uid] WHERE [topics].[parentID] = ?1 ORDER BY topics.sticky DESC,topics.lastReplyAt DESC,topics.createdBy DESC") stmts.getForumTopics, err = db.Prepare("SELECT [topics].[tid],[topics].[title],[topics].[content],[topics].[createdBy],[topics].[is_closed],[topics].[sticky],[topics].[createdAt],[topics].[lastReplyAt],[topics].[parentID],[users].[name],[users].[avatar] FROM [topics] LEFT JOIN [users] ON [topics].[createdBy]=[users].[uid] WHERE [topics].[parentID] = ?1 ORDER BY topics.sticky DESC,topics.lastReplyAt DESC,topics.createdBy DESC")
if err != nil { if err != nil {
log.Print("Error in getForumTopics statement.") log.Print("Error in getForumTopics statement.")
log.Print("Bad Query: ","SELECT [topics].[tid],[topics].[title],[topics].[content],[topics].[createdBy],[topics].[is_closed],[topics].[sticky],[topics].[createdAt],[topics].[lastReplyAt],[topics].[parentID],[users].[name],[users].[avatar] FROM [topics] LEFT JOIN [users] ON [topics].[createdBy] = [users].[uid] WHERE [topics].[parentID] = ?1 ORDER BY topics.sticky DESC,topics.lastReplyAt DESC,topics.createdBy DESC") log.Print("Bad Query: ","SELECT [topics].[tid],[topics].[title],[topics].[content],[topics].[createdBy],[topics].[is_closed],[topics].[sticky],[topics].[createdAt],[topics].[lastReplyAt],[topics].[parentID],[users].[name],[users].[avatar] FROM [topics] LEFT JOIN [users] ON [topics].[createdBy]=[users].[uid] WHERE [topics].[parentID] = ?1 ORDER BY topics.sticky DESC,topics.lastReplyAt DESC,topics.createdBy DESC")
return err return err
} }

562
query_gen/mssql.go
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File diff suppressed because it is too large Load Diff

175
query_gen/pgsql.go
View File

@ -21,39 +21,39 @@ type PgsqlAdapter struct {
} }
// GetName gives you the name of the database adapter. In this case, it's pgsql // GetName gives you the name of the database adapter. In this case, it's pgsql
func (adapter *PgsqlAdapter) GetName() string { func (a *PgsqlAdapter) GetName() string {
return adapter.Name return a.Name
} }
func (adapter *PgsqlAdapter) GetStmt(name string) DBStmt { func (a *PgsqlAdapter) GetStmt(name string) DBStmt {
return adapter.Buffer[name] return a.Buffer[name]
} }
func (adapter *PgsqlAdapter) GetStmts() map[string]DBStmt { func (a *PgsqlAdapter) GetStmts() map[string]DBStmt {
return adapter.Buffer return a.Buffer
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) BuildConn(config map[string]string) (*sql.DB, error) { func (a *PgsqlAdapter) BuildConn(config map[string]string) (*sql.DB, error) {
return nil, nil return nil, nil
} }
func (adapter *PgsqlAdapter) DbVersion() string { func (a *PgsqlAdapter) DbVersion() string {
return "SELECT version()" return "SELECT version()"
} }
func (adapter *PgsqlAdapter) DropTable(name string, table string) (string, error) { func (a *PgsqlAdapter) DropTable(name string, table string) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
querystr := "DROP TABLE IF EXISTS \"" + table + "\";" q := "DROP TABLE IF EXISTS \"" + table + "\";"
adapter.pushStatement(name, "drop-table", querystr) a.pushStatement(name, "drop-table", q)
return querystr, nil return q, nil
} }
// TODO: Implement this // TODO: Implement this
// We may need to change the CreateTable API to better suit PGSQL and the other database drivers which are coming up // We may need to change the CreateTable API to better suit PGSQL and the other database drivers which are coming up
func (adapter *PgsqlAdapter) CreateTable(name string, table string, charset string, collation string, columns []DBTableColumn, keys []DBTableKey) (string, error) { func (a *PgsqlAdapter) CreateTable(name string, table string, charset string, collation string, columns []DBTableColumn, keys []DBTableKey) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -61,7 +61,7 @@ func (adapter *PgsqlAdapter) CreateTable(name string, table string, charset stri
return "", errors.New("You can't have a table with no columns") return "", errors.New("You can't have a table with no columns")
} }
var querystr = "CREATE TABLE \"" + table + "\" (" q := "CREATE TABLE \"" + table + "\" ("
for _, column := range columns { for _, column := range columns {
if column.AutoIncrement { if column.AutoIncrement {
column.Type = "serial" column.Type = "serial"
@ -79,41 +79,40 @@ func (adapter *PgsqlAdapter) CreateTable(name string, table string, charset stri
var end string var end string
if column.Default != "" { if column.Default != "" {
end = " DEFAULT " end = " DEFAULT "
if adapter.stringyType(column.Type) && column.Default != "''" { if a.stringyType(column.Type) && column.Default != "''" {
end += "'" + column.Default + "'" end += "'" + column.Default + "'"
} else { } else {
end += column.Default end += column.Default
} }
} }
if !column.Null { if !column.Null {
end += " not null" end += " not null"
} }
querystr += "\n\t`" + column.Name + "` " + column.Type + size + end + "," q += "\n\t`" + column.Name + "` " + column.Type + size + end + ","
} }
if len(keys) > 0 { if len(keys) > 0 {
for _, key := range keys { for _, key := range keys {
querystr += "\n\t" + key.Type q += "\n\t" + key.Type
if key.Type != "unique" { if key.Type != "unique" {
querystr += " key" q += " key"
} }
querystr += "(" q += "("
for _, column := range strings.Split(key.Columns, ",") { for _, column := range strings.Split(key.Columns, ",") {
querystr += "`" + column + "`," q += "`" + column + "`,"
} }
querystr = querystr[0:len(querystr)-1] + ")," q = q[0:len(q)-1] + "),"
} }
} }
querystr = querystr[0:len(querystr)-1] + "\n);" q = q[0:len(q)-1] + "\n);"
adapter.pushStatement(name, "create-table", querystr) a.pushStatement(name, "create-table", q)
return querystr, nil return q, nil
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) AddColumn(name string, table string, column DBTableColumn, key *DBTableKey) (string, error) { func (a *PgsqlAdapter) AddColumn(name string, table string, column DBTableColumn, key *DBTableKey) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -122,7 +121,7 @@ func (adapter *PgsqlAdapter) AddColumn(name string, table string, column DBTable
// TODO: Implement this // TODO: Implement this
// TODO: Test to make sure everything works here // TODO: Test to make sure everything works here
func (adapter *PgsqlAdapter) AddIndex(name string, table string, iname string, colname string) (string, error) { func (a *PgsqlAdapter) AddIndex(name string, table string, iname string, colname string) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -137,7 +136,7 @@ func (adapter *PgsqlAdapter) AddIndex(name string, table string, iname string, c
// TODO: Implement this // TODO: Implement this
// TODO: Test to make sure everything works here // TODO: Test to make sure everything works here
func (adapter *PgsqlAdapter) AddKey(name string, table string, column string, key DBTableKey) (string, error) { func (a *PgsqlAdapter) AddKey(name string, table string, column string, key DBTableKey) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -149,17 +148,17 @@ func (adapter *PgsqlAdapter) AddKey(name string, table string, column string, ke
// TODO: Implement this // TODO: Implement this
// TODO: Test to make sure everything works here // TODO: Test to make sure everything works here
func (adapter *PgsqlAdapter) AddForeignKey(name string, table string, column string, ftable string, fcolumn string, cascade bool) (out string, e error) { func (a *PgsqlAdapter) AddForeignKey(name string, table string, column string, ftable string, fcolumn string, cascade bool) (out string, e error) {
var c = func(str string, val bool) { var c = func(str string, val bool) {
if e != nil || !val { if e != nil || !val {
return return
} }
e = errors.New("You need a "+str+" for this table") e = errors.New("You need a " + str + " for this table")
} }
c("name",table=="") c("name", table == "")
c("column",column=="") c("column", column == "")
c("ftable",ftable=="") c("ftable", ftable == "")
c("fcolumn",fcolumn=="") c("fcolumn", fcolumn == "")
if e != nil { if e != nil {
return "", e return "", e
} }
@ -168,14 +167,14 @@ func (adapter *PgsqlAdapter) AddForeignKey(name string, table string, column str
// TODO: Test this // TODO: Test this
// ! We need to get the last ID out of this somehow, maybe add returning to every query? Might require some sort of wrapper over the sql statements // ! We need to get the last ID out of this somehow, maybe add returning to every query? Might require some sort of wrapper over the sql statements
func (adapter *PgsqlAdapter) SimpleInsert(name string, table string, columns string, fields string) (string, error) { func (a *PgsqlAdapter) SimpleInsert(name string, table string, columns string, fields string) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
var querystr = "INSERT INTO \"" + table + "\"(" q := "INSERT INTO \"" + table + "\"("
if columns != "" { if columns != "" {
querystr += adapter.buildColumns(columns) + ") VALUES (" q += a.buildColumns(columns) + ") VALUES ("
for _, field := range processFields(fields) { for _, field := range processFields(fields) {
nameLen := len(field.Name) nameLen := len(field.Name)
if field.Name[0] == '"' && field.Name[nameLen-1] == '"' && nameLen >= 3 { if field.Name[0] == '"' && field.Name[nameLen-1] == '"' && nameLen >= 3 {
@ -184,35 +183,35 @@ func (adapter *PgsqlAdapter) SimpleInsert(name string, table string, columns str
if field.Name[0] == '\'' && field.Name[nameLen-1] == '\'' && nameLen >= 3 { if field.Name[0] == '\'' && field.Name[nameLen-1] == '\'' && nameLen >= 3 {
field.Name = "'" + strings.Replace(field.Name[1:nameLen-1], "'", "''", -1) + "'" field.Name = "'" + strings.Replace(field.Name[1:nameLen-1], "'", "''", -1) + "'"
} }
querystr += field.Name + "," q += field.Name + ","
} }
querystr = querystr[0 : len(querystr)-1] q = q[0 : len(q)-1]
} else { } else {
querystr += ") VALUES (" q += ") VALUES ("
} }
querystr += ")" q += ")"
adapter.pushStatement(name, "insert", querystr) a.pushStatement(name, "insert", q)
return querystr, nil return q, nil
} }
func (adapter *PgsqlAdapter) buildColumns(columns string) (querystr string) { func (a *PgsqlAdapter) buildColumns(columns string) (q string) {
if columns == "" { if columns == "" {
return "" return ""
} }
// Escape the column names, just in case we've used a reserved keyword // Escape the column names, just in case we've used a reserved keyword
for _, column := range processColumns(columns) { for _, column := range processColumns(columns) {
if column.Type == "function" { if column.Type == "function" {
querystr += column.Left + "," q += column.Left + ","
} else { } else {
querystr += "\"" + column.Left + "\"," q += "\"" + column.Left + "\","
} }
} }
return querystr[0 : len(querystr)-1] return q[0 : len(q)-1]
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) SimpleReplace(name string, table string, columns string, fields string) (string, error) { func (a *PgsqlAdapter) SimpleReplace(name string, table string, columns string, fields string) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -226,7 +225,7 @@ func (adapter *PgsqlAdapter) SimpleReplace(name string, table string, columns st
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) SimpleUpsert(name string, table string, columns string, fields string, where string) (string, error) { func (a *PgsqlAdapter) SimpleUpsert(name string, table string, columns string, fields string, where string) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -240,7 +239,7 @@ func (adapter *PgsqlAdapter) SimpleUpsert(name string, table string, columns str
} }
// TODO: Implemented, but we need CreateTable and a better installer to *test* it // TODO: Implemented, but we need CreateTable and a better installer to *test* it
func (adapter *PgsqlAdapter) SimpleUpdate(up *updatePrebuilder) (string, error) { func (a *PgsqlAdapter) SimpleUpdate(up *updatePrebuilder) (string, error) {
if up.table == "" { if up.table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -248,9 +247,9 @@ func (adapter *PgsqlAdapter) SimpleUpdate(up *updatePrebuilder) (string, error)
return "", errors.New("You need to set data in this update statement") return "", errors.New("You need to set data in this update statement")
} }
var querystr = "UPDATE \"" + up.table + "\" SET " q := "UPDATE \"" + up.table + "\" SET "
for _, item := range processSet(up.set) { for _, item := range processSet(up.set) {
querystr += "`" + item.Column + "` =" q += "`" + item.Column + "` ="
for _, token := range item.Expr { for _, token := range item.Expr {
switch token.Type { switch token.Type {
case "function": case "function":
@ -258,23 +257,23 @@ func (adapter *PgsqlAdapter) SimpleUpdate(up *updatePrebuilder) (string, error)
if strings.ToUpper(token.Contents) == "UTC_TIMESTAMP()" { if strings.ToUpper(token.Contents) == "UTC_TIMESTAMP()" {
token.Contents = "LOCALTIMESTAMP()" token.Contents = "LOCALTIMESTAMP()"
} }
querystr += " " + token.Contents q += " " + token.Contents
case "operator", "number", "substitute", "or": case "operator", "number", "substitute", "or":
querystr += " " + token.Contents q += " " + token.Contents
case "column": case "column":
querystr += " `" + token.Contents + "`" q += " `" + token.Contents + "`"
case "string": case "string":
querystr += " '" + token.Contents + "'" q += " '" + token.Contents + "'"
} }
} }
querystr += "," q += ","
} }
// Remove the trailing comma // Remove the trailing comma
querystr = querystr[0 : len(querystr)-1] q = q[0 : len(q)-1]
// Add support for BETWEEN x.x // Add support for BETWEEN x.x
if len(up.where) != 0 { if len(up.where) != 0 {
querystr += " WHERE" q += " WHERE"
for _, loc := range processWhere(up.where) { for _, loc := range processWhere(up.where) {
for _, token := range loc.Expr { for _, token := range loc.Expr {
switch token.Type { switch token.Type {
@ -283,33 +282,33 @@ func (adapter *PgsqlAdapter) SimpleUpdate(up *updatePrebuilder) (string, error)
if strings.ToUpper(token.Contents) == "UTC_TIMESTAMP()" { if strings.ToUpper(token.Contents) == "UTC_TIMESTAMP()" {
token.Contents = "LOCALTIMESTAMP()" token.Contents = "LOCALTIMESTAMP()"
} }
querystr += " " + token.Contents q += " " + token.Contents
case "operator", "number", "substitute", "or": case "operator", "number", "substitute", "or":
querystr += " " + token.Contents q += " " + token.Contents
case "column": case "column":
querystr += " `" + token.Contents + "`" q += " `" + token.Contents + "`"
case "string": case "string":
querystr += " '" + token.Contents + "'" q += " '" + token.Contents + "'"
default: default:
panic("This token doesn't exist o_o") panic("This token doesn't exist o_o")
} }
} }
querystr += " AND" q += " AND"
} }
querystr = querystr[0 : len(querystr)-4] q = q[0 : len(q)-4]
} }
adapter.pushStatement(up.name, "update", querystr) a.pushStatement(up.name, "update", q)
return querystr, nil return q, nil
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) SimpleUpdateSelect(up *updatePrebuilder) (string, error) { func (a *PgsqlAdapter) SimpleUpdateSelect(up *updatePrebuilder) (string, error) {
return "", errors.New("not implemented") return "", errors.New("not implemented")
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) SimpleDelete(name string, table string, where string) (string, error) { func (a *PgsqlAdapter) SimpleDelete(name string, table string, where string) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -320,7 +319,7 @@ func (adapter *PgsqlAdapter) SimpleDelete(name string, table string, where strin
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) ComplexDelete(b *deletePrebuilder) (string, error) { func (a *PgsqlAdapter) ComplexDelete(b *deletePrebuilder) (string, error) {
if b.table == "" { if b.table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -332,7 +331,7 @@ func (adapter *PgsqlAdapter) ComplexDelete(b *deletePrebuilder) (string, error)
// TODO: Implement this // TODO: Implement this
// We don't want to accidentally wipe tables, so we'll have a separate method for purging tables instead // We don't want to accidentally wipe tables, so we'll have a separate method for purging tables instead
func (adapter *PgsqlAdapter) Purge(name string, table string) (string, error) { func (a *PgsqlAdapter) Purge(name string, table string) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -340,7 +339,7 @@ func (adapter *PgsqlAdapter) Purge(name string, table string) (string, error) {
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) SimpleSelect(name string, table string, columns string, where string, orderby string, limit string) (string, error) { func (a *PgsqlAdapter) SimpleSelect(name string, table string, columns string, where string, orderby string, limit string) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -351,7 +350,7 @@ func (adapter *PgsqlAdapter) SimpleSelect(name string, table string, columns str
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) ComplexSelect(prebuilder *selectPrebuilder) (string, error) { func (a *PgsqlAdapter) ComplexSelect(prebuilder *selectPrebuilder) (string, error) {
if prebuilder.table == "" { if prebuilder.table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
@ -362,7 +361,7 @@ func (adapter *PgsqlAdapter) ComplexSelect(prebuilder *selectPrebuilder) (string
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) SimpleLeftJoin(name string, table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (string, error) { func (a *PgsqlAdapter) SimpleLeftJoin(name string, table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (string, error) {
if table1 == "" { if table1 == "" {
return "", errors.New("You need a name for the left table") return "", errors.New("You need a name for the left table")
} }
@ -379,7 +378,7 @@ func (adapter *PgsqlAdapter) SimpleLeftJoin(name string, table1 string, table2 s
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) SimpleInnerJoin(name string, table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (string, error) { func (a *PgsqlAdapter) SimpleInnerJoin(name string, table1 string, table2 string, columns string, joiners string, where string, orderby string, limit string) (string, error) {
if table1 == "" { if table1 == "" {
return "", errors.New("You need a name for the left table") return "", errors.New("You need a name for the left table")
} }
@ -396,39 +395,39 @@ func (adapter *PgsqlAdapter) SimpleInnerJoin(name string, table1 string, table2
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) SimpleInsertSelect(name string, ins DBInsert, sel DBSelect) (string, error) { func (a *PgsqlAdapter) SimpleInsertSelect(name string, ins DBInsert, sel DBSelect) (string, error) {
return "", nil return "", nil
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) SimpleInsertLeftJoin(name string, ins DBInsert, sel DBJoin) (string, error) { func (a *PgsqlAdapter) SimpleInsertLeftJoin(name string, ins DBInsert, sel DBJoin) (string, error) {
return "", nil return "", nil
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) SimpleInsertInnerJoin(name string, ins DBInsert, sel DBJoin) (string, error) { func (a *PgsqlAdapter) SimpleInsertInnerJoin(name string, ins DBInsert, sel DBJoin) (string, error) {
return "", nil return "", nil
} }
// TODO: Implement this // TODO: Implement this
func (adapter *PgsqlAdapter) SimpleCount(name string, table string, where string, limit string) (string, error) { func (a *PgsqlAdapter) SimpleCount(name string, table string, where string, limit string) (string, error) {
if table == "" { if table == "" {
return "", errors.New("You need a name for this table") return "", errors.New("You need a name for this table")
} }
return "", nil return "", nil
} }
func (adapter *PgsqlAdapter) Builder() *prebuilder { func (a *PgsqlAdapter) Builder() *prebuilder {
return &prebuilder{adapter} return &prebuilder{a}
} }
func (adapter *PgsqlAdapter) Write() error { func (a *PgsqlAdapter) Write() error {
var stmts, body string var stmts, body string
for _, name := range adapter.BufferOrder { for _, name := range a.BufferOrder {
if name[0] == '_' { if name[0] == '_' {
continue continue
} }
stmt := adapter.Buffer[name] stmt := a.Buffer[name]
// TODO: Add support for create-table? Table creation might be a little complex for Go to do outside a SQL file :( // TODO: Add support for create-table? Table creation might be a little complex for Go to do outside a SQL file :(
if stmt.Type != "create-table" { if stmt.Type != "create-table" {
stmts += "\t" + name + " *sql.Stmt\n" stmts += "\t" + name + " *sql.Stmt\n"
@ -473,15 +472,15 @@ func _gen_pgsql() (err error) {
} }
// Internal methods, not exposed in the interface // Internal methods, not exposed in the interface
func (adapter *PgsqlAdapter) pushStatement(name string, stype string, querystr string) { func (a *PgsqlAdapter) pushStatement(name string, stype string, q string) {
if name == "" { if name == "" {
return return
} }
adapter.Buffer[name] = DBStmt{querystr, stype} a.Buffer[name] = DBStmt{q, stype}
adapter.BufferOrder = append(adapter.BufferOrder, name) a.BufferOrder = append(a.BufferOrder, name)
} }
func (adapter *PgsqlAdapter) stringyType(ctype string) bool { func (a *PgsqlAdapter) stringyType(ctype string) bool {
ctype = strings.ToLower(ctype) ctype = strings.ToLower(ctype)
return ctype == "char" || ctype == "varchar" || ctype == "timestamp" || ctype == "text" return ctype == "char" || ctype == "varchar" || ctype == "timestamp" || ctype == "text"
} }