1 files changed, 0 insertions, 112 deletions
diff --git a/vendor/github.com/jackc/pgx/v5/internal/stmtcache/lru_cache.go b/vendor/github.com/jackc/pgx/v5/internal/stmtcache/lru_cache.go
deleted file mode 100644
index dec83f47b..000000000
--- a/vendor/github.com/jackc/pgx/v5/internal/stmtcache/lru_cache.go
+++ /dev/null
@@ -1,112 +0,0 @@
-package stmtcache
-
-import (
-	"container/list"
-
-	"github.com/jackc/pgx/v5/pgconn"
-)
-
-// LRUCache implements Cache with a Least Recently Used (LRU) cache.
-type LRUCache struct {
-	cap          int
-	m            map[string]*list.Element
-	l            *list.List
-	invalidStmts []*pgconn.StatementDescription
-}
-
-// NewLRUCache creates a new LRUCache. cap is the maximum size of the cache.
-func NewLRUCache(cap int) *LRUCache {
-	return &LRUCache{
-		cap: cap,
-		m:   make(map[string]*list.Element),
-		l:   list.New(),
-	}
-}
-
-// Get returns the statement description for sql. Returns nil if not found.
-func (c *LRUCache) Get(key string) *pgconn.StatementDescription {
-	if el, ok := c.m[key]; ok {
-		c.l.MoveToFront(el)
-		return el.Value.(*pgconn.StatementDescription)
-	}
-
-	return nil
-
-}
-
-// Put stores sd in the cache. Put panics if sd.SQL is "". Put does nothing if sd.SQL already exists in the cache or
-// sd.SQL has been invalidated and HandleInvalidated has not been called yet.
-func (c *LRUCache) Put(sd *pgconn.StatementDescription) {
-	if sd.SQL == "" {
-		panic("cannot store statement description with empty SQL")
-	}
-
-	if _, present := c.m[sd.SQL]; present {
-		return
-	}
-
-	// The statement may have been invalidated but not yet handled. Do not readd it to the cache.
-	for _, invalidSD := range c.invalidStmts {
-		if invalidSD.SQL == sd.SQL {
-			return
-		}
-	}
-
-	if c.l.Len() == c.cap {
-		c.invalidateOldest()
-	}
-
-	el := c.l.PushFront(sd)
-	c.m[sd.SQL] = el
-}
-
-// Invalidate invalidates statement description identified by sql. Does nothing if not found.
-func (c *LRUCache) Invalidate(sql string) {
-	if el, ok := c.m[sql]; ok {
-		delete(c.m, sql)
-		c.invalidStmts = append(c.invalidStmts, el.Value.(*pgconn.StatementDescription))
-		c.l.Remove(el)
-	}
-}
-
-// InvalidateAll invalidates all statement descriptions.
-func (c *LRUCache) InvalidateAll() {
-	el := c.l.Front()
-	for el != nil {
-		c.invalidStmts = append(c.invalidStmts, el.Value.(*pgconn.StatementDescription))
-		el = el.Next()
-	}
-
-	c.m = make(map[string]*list.Element)
-	c.l = list.New()
-}
-
-// GetInvalidated returns a slice of all statement descriptions invalidated since the last call to RemoveInvalidated.
-func (c *LRUCache) 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 *LRUCache) RemoveInvalidated() {
-	c.invalidStmts = nil
-}
-
-// Len returns the number of cached prepared statement descriptions.
-func (c *LRUCache) Len() int {
-	return c.l.Len()
-}
-
-// Cap returns the maximum number of cached prepared statement descriptions.
-func (c *LRUCache) Cap() int {
-	return c.cap
-}
-
-func (c *LRUCache) invalidateOldest() {
-	oldest := c.l.Back()
-	sd := oldest.Value.(*pgconn.StatementDescription)
-	c.invalidStmts = append(c.invalidStmts, sd)
-	delete(c.m, sd.SQL)
-	c.l.Remove(oldest)
-}