diff options
Diffstat (limited to 'vendor/github.com/jackc/pgx/v5/internal/stmtcache/unlimited_cache.go')
-rw-r--r-- | vendor/github.com/jackc/pgx/v5/internal/stmtcache/unlimited_cache.go | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/vendor/github.com/jackc/pgx/v5/internal/stmtcache/unlimited_cache.go b/vendor/github.com/jackc/pgx/v5/internal/stmtcache/unlimited_cache.go deleted file mode 100644 index 696413291..000000000 --- a/vendor/github.com/jackc/pgx/v5/internal/stmtcache/unlimited_cache.go +++ /dev/null @@ -1,77 +0,0 @@ -package stmtcache - -import ( - "math" - - "github.com/jackc/pgx/v5/pgconn" -) - -// UnlimitedCache implements Cache with no capacity limit. -type UnlimitedCache struct { - m map[string]*pgconn.StatementDescription - invalidStmts []*pgconn.StatementDescription -} - -// NewUnlimitedCache creates a new UnlimitedCache. -func NewUnlimitedCache() *UnlimitedCache { - return &UnlimitedCache{ - m: make(map[string]*pgconn.StatementDescription), - } -} - -// Get returns the statement description for sql. Returns nil if not found. -func (c *UnlimitedCache) Get(sql string) *pgconn.StatementDescription { - return c.m[sql] -} - -// Put stores sd in the cache. Put panics if sd.SQL is "". Put does nothing if sd.SQL already exists in the cache. -func (c *UnlimitedCache) Put(sd *pgconn.StatementDescription) { - if sd.SQL == "" { - panic("cannot store statement description with empty SQL") - } - - if _, present := c.m[sd.SQL]; present { - return - } - - c.m[sd.SQL] = sd -} - -// Invalidate invalidates statement description identified by sql. Does nothing if not found. -func (c *UnlimitedCache) Invalidate(sql string) { - if sd, ok := c.m[sql]; ok { - delete(c.m, sql) - c.invalidStmts = append(c.invalidStmts, sd) - } -} - -// InvalidateAll invalidates all statement descriptions. -func (c *UnlimitedCache) InvalidateAll() { - for _, sd := range c.m { - c.invalidStmts = append(c.invalidStmts, sd) - } - - c.m = make(map[string]*pgconn.StatementDescription) -} - -// GetInvalidated returns a slice of all statement descriptions invalidated since the last call to RemoveInvalidated. -func (c *UnlimitedCache) GetInvalidated() []*pgconn.StatementDescription { - return c.invalidStmts -} - -// RemoveInvalidated removes all invalidated statement descriptions. No other calls to Cache must be made between a -// call to GetInvalidated and RemoveInvalidated or RemoveInvalidated may remove statement descriptions that were -// never seen by the call to GetInvalidated. -func (c *UnlimitedCache) RemoveInvalidated() { - c.invalidStmts = nil -} - -// Len returns the number of cached prepared statement descriptions. -func (c *UnlimitedCache) Len() int { - return len(c.m) -} - -// Cap returns the maximum number of cached prepared statement descriptions. -func (c *UnlimitedCache) Cap() int { - return math.MaxInt -} |